Top Compression Fitting Plug Connectors

The best Compression Fitting Plugs includes RecDec [2 Pack] Quick Disconnect NPT Adapters, PATIKIL M20 Internal Hex Head Plug, PATIKIL 7/16-20UNF Pipe Fitting Plug (3 Pack) and many others as mentioned below.

1

RecDec [2 Pack] Quick Disconnect NPT Adapters

  • Includes 2 quick disconnect NPT adapters.
  • Compatible with various high-pressure applications.
  • Easy installation for quick repairs.
  • Durable construction for long-lasting use.
  • Working pressure up to 3000psi / 250bar.
  • Versatile for air compressors and paintball equipment.
  • Compact design for easy transport and storage.
  • Average Rating out of 5:
  • Price Range: $7.97
  • Material: Brass
2

PATIKIL M20 Internal Hex Head Plug

  • Made from durable 45# steel for strength.
  • Zinc plated for enhanced corrosion resistance.
  • Internal hex head for easy installation.
  • Sealing ring ensures tight, leak-proof seal.
  • Compatible with various machinery and fittings.
  • Ideal for plugging pipe ends and ports.
  • Prevents leakage of fluids under pressure.
  • Average Rating out of 5:
  • Price Range: $7.79
  • Size: ‎M20*1.5,‎M20
  • Material: Steel
3

PATIKIL 7/16-20UNF Pipe Fitting Plug (3 Pack)

  • Made from durable 45# steel for strength.
  • Corrosion-resistant zinc plated finish for longevity.
  • Internal hex head for easy installation.
  • Includes sealing ring for tight sealing performance.
  • Ideal for sealing holes in various applications.
  • Prevents leaks of air, steam, gas, and fluids.
  • Correct wrench usage prevents deformation during installation.
  • Average Rating out of 5:
  • Price Range: $7.79
  • Size: ‎7/16-20UNF,‎7/16
  • Material: Silver,Steel,Zinc
4

PATIKIL M10 Internal Hex Pipe Plug (3 Pack)

  • Made from durable 45# steel for strength.
  • Zinc plating for enhanced corrosion resistance.
  • Internal hex design for easy installation.
  • Tight sealing performance with included sealing ring.
  • Prevents leakage in pipes and machinery.
  • Suitable for various fluid applications.
  • Choose correct wrench to avoid damage.
  • Average Rating out of 5:
  • Price Range: $8.09
  • Size: ‎M10*1.25,‎M10*1.25
  • Material: Stainless Steel
5

Mess Stopper™ Universal Rubber Plugs Kit (16 Pcs)

  • Includes 16 universal rubber plugs in three sizes.
  • Prevents oil leaks and keeps equipment clean.
  • High visibility green/yellow for easy identification.
  • Fits various hoses, ports, and fittings.
  • Made of oil-resistant NBR rubber material.
  • Temperature range: -10⁰F to 200⁰F.
  • Convenient slider zip bag for storage.
  • Average Rating out of 5:
  • Price Range: $29.00
6

Closmos 1/4" NPT Stainless Steel Plug [5 Pack]

  • Durable stainless steel 304 construction.
  • 1/4" NPT male threads for secure connection.
  • Pack of 5 for multiple applications.
  • Hexagonal head for easy wrench usage.
  • Ideal for blocking off water ports.
  • Perfect for engine block and water pumps.
  • Corrosion-resistant for long-lasting performance.
  • Average Rating out of 5:
  • Price Range: $6.59
  • Size: ‎1/4"NPT-5PCS,‎1/4" NPT
  • Material: Stainless Steel
7

Midland Brass Cleanout Plug (6")

  • Durable cast brass construction for long-lasting use.
  • 6-inch size suitable for various applications.
  • Meets ANSI/NSF 61-4 drinking water standards.
  • Lead-free compliance for safe water systems.
  • Approved under California AB 1953 regulations.
  • Conforms to AWWA C800 brass fitting standards.
  • Dimensions meet ASME B16.15 specifications.
  • Average Rating out of 5:
  • Price Range: $33.33
  • Color: Bronze
  • Material: Brass
8

hpcouplers Foster 54-5 Plug, 1/2" NPT

  • Durable heavy-duty steel construction.
  • 1/2" NPT male thread for easy connection.
  • Designed for daily use and tough jobs.
  • 300 psi working pressure rating.
  • Precision-engineered for reliable performance.
  • Made in the USA for quality assurance.
  • Compatible with various hydraulic applications.
  • Average Rating out of 5:
  • Price Range: $10.99
  • Color: Steel
  • Material: Steel
9

Midland Brass Countersunk Cleanout Plug [2"]

  • Durable cast brass construction for long-lasting use.
  • Designed for easy installation and removal.
  • Approved for drinking water applications.
  • Meets stringent lead-free requirements.
  • Conforms to industry standards and regulations.
  • Ideal for cleanout access in plumbing systems.
  • Size: 2 inches for versatile applications.
  • Price Range: $13.17
  • Color: Gold
  • Material: Brass
10

hpcouplers 1/4" Body Plug [Foster 210-12]

  • Durable heavy-duty steel construction for longevity.
  • 1/4" body plug for efficient connections.
  • 1/8" male NPT thread for compatibility.
  • Interchanges with ARO 210 series fittings.
  • Ideal for pneumatic applications and air tools.
  • Reliable sealing to prevent leaks during operation.
  • Easy to install and remove as needed.
  • Average Rating out of 5:
  • Price Range: $8.29
  • Size: ‎Small
  • Material: Steel
11

hpcouplers 52-5 Plug, 1/2" Body, 3/8" NPT

  • Heavy-duty steel construction for durability.
  • 1/2" plug with 3/8" male NPT thread.
  • Designed for daily use in tough environments.
  • 300 psi working pressure for reliable performance.
  • Made in the USA for quality assurance.
  • Compatible with Foster 52-5 series systems.
  • Easy to install and maintain.
  • Average Rating out of 5:
  • Price Range: $9.99
  • Color: Steel
  • Material: Steel
12

Midland Cast Brass Cleanout Plug [970-310]

  • Durable cast brass construction for longevity.
  • Meets ANSI/NSF 61-4 standards for safety.
  • Lead-free design complies with California AB 1953.
  • Conforms to AWWA C800 specifications for fittings.
  • Dimensions meet ASME B16.15 standards.
  • Ideal for cleanout applications in plumbing systems.
  • 3-1/2" size fits standard plumbing requirements.
  • Price Range: $20.29
  • Material: Brass
13

hpcouplers Foster 56-5 Plug, 1/2" Body

  • Heavy-duty construction for tough job requirements.
  • 1/2" body size for versatile applications.
  • 3/4" male thread NPT for easy connection.
  • Solid steel material ensures durability and strength.
  • Made in the USA for quality assurance.
  • 300psi working pressure for reliable performance.
  • Designed for daily use in demanding environments.
  • Price Range: $9.99
  • Color: Silver
  • Material: Steel
14

Generic 10pcs 1/16" NPT Stainless Steel Plugs

  • 10-pack of 1/16" NPT stainless steel plugs.
  • Durable 304 stainless steel construction.
  • Hex drive for easy installation.
  • Maximum pressure rating: 2800 PSI.
  • Wide temperature range: -500℃ to 800℃.
  • Ideal for sealing water and oil pipes.
  • Compact size fits standard pipe fittings.
  • Price Range: $8.90
  • Color: Silver
  • Material: Stainless Steel
15

WHZAZGW 1/2" PVC Pipe End Cap (20-Pack)

  • High-quality PVC construction for durability.
  • 20-pack of 1/2" end caps included.
  • Female NPT threads for easy installation.
  • Prevents debris from entering pipes.
  • Resistant to frost and corrosion.
  • Suitable for indoor and outdoor applications.
  • Ideal for irrigation and plumbing systems.
  • Average Rating out of 5:
  • Price Range: $9.99
  • Material: Plastic
16

hpcouplers Foster 55-5 Steel Plug, 1/2" NPT

  • Durable steel construction for long-lasting performance.
  • 1/2" NPT threads for easy connections.
  • Designed for heavy-duty applications and daily use.
  • 300psi working pressure for high performance.
  • Made in the USA for quality assurance.
  • Reliable Foster brand trusted in the industry.
  • Compact size for versatile installation options.
  • Average Rating out of 5:
  • Price Range: $10.99
  • Color: Steel
  • Material: Steel
17

hpcouplers Foster 50-5 Steel Plug NPT

  • Durable steel construction for heavy-duty applications.
  • 1/2" body with 1/4" male NPT thread.
  • Designed for industrial interchange compatibility.
  • 300 psi working pressure for reliable performance.
  • Ideal for daily use in tough environments.
  • Made in the USA for quality assurance.
  • Engineered for easy plug-and-play operation.
  • Average Rating out of 5:
  • Price Range: $9.99
  • Color: Steel
  • Material: Steel
18

Midland Brass Cleanout Plug [3"]

  • Durable cast brass construction for longevity.
  • 3-inch size for versatile plumbing applications.
  • Approved to ANSI/NSF 61-4 standards.
  • Meets California AB 1953 lead-free requirements.
  • Conforms to AWWA C800 brass fitting standards.
  • Dimensions comply with ASME B16.15 specifications.
  • Square head design for easy installation.
  • Average Rating out of 5:
  • Price Range: $15.89
  • Color: Bronze
  • Material: Brass
19

Allstar Performance (50814-8) Plastic Plugs 20pk

  • Durable plastic construction for longevity.
  • Compatible with 8 AN fittings and hoses.
  • Red color for easy visibility and identification.
  • Set of 20 plugs for multiple applications.
  • Perfect for sealing unused fittings and hoses.
  • Lightweight design simplifies handling and installation.
  • Essential for any automotive or racing setup.
  • Price Range: $6.82
20

Swagelok SS-400-P Stainless Steel Plug 1/4"

  • High-quality stainless steel construction for durability.
  • Designed to seal unused ports effectively.
  • Compatible with 1/4" fractional tubing systems.
  • Compact design for easy installation and handling.
  • Sold individually for convenient purchasing.
  • Dimensions: 1.4 L x 23.6 H x 10.9 W cm.
  • Ideal for various industrial applications and settings.
  • Average Rating out of 5:
  • Price Range: $12.00
  • Color: Stainless Steel
  • Material: Stainless Steel
21

Compressor-Source 3/8" Male NPT Quick Connect Plug

  • 3/8" male NPT threads for secure connection.
  • Industrial-grade construction ensures maximum durability.
  • Resistant to wear, scratches, and dents.
  • Quick connect design for easy usage.
  • Compatible with standard air compressor hoses.
  • Lightweight yet robust for heavy-duty applications.
  • Perfect for both professional and DIY projects.
  • Price Range: $6.99
22

HAHIYO 14" Stainless Steel Hex Socket Plug (4-Pack)

  • Durable 304 stainless steel construction.
  • Smooth threads ensure a tight seal.
  • Perfect for low or no pressure applications.
  • Clean finish without burrs or sharp edges.
  • Easy installation and removal without damaging threads.
  • Multi-functional for various plumbing needs.
  • Includes four plugs for convenience.
  • Average Rating out of 5:
  • Price Range: $8.59
  • Size: ‎1/4"-4Pcs
  • Material: Stainless Steel
23

hpcouplers 4 Series Brass Industrial Plug (42-4B)

  • Heavy-duty brass construction for durability.
  • 3/8" Male NPT thread for secure connections.
  • Rated pressure up to 300 psi.
  • Compatible with Industrial interchange systems.
  • Designed for reliable industrial applications.
  • Part number: 42-4B for easy identification.
  • Ideal for high-pressure fluid transfer needs.
  • Price Range: $9.29
  • Size: ‎Small,‎0.375 inch
  • Material: Brass
24

FLOFLEX 1/2" Brass Pipe Plug (5 Pack)

  • Includes five 1/2" NPT brass pipe plugs.
  • Constructed from high-quality, corrosion-resistant brass.
  • Hex socket head for easy installation and removal.
  • Fully threaded for secure, leak-resistant fit.
  • Suitable for various piping materials, including steel.
  • Operates safely up to 250 PSI pressure rating.
  • Ideal for gas, refrigeration, and hydraulic applications.
  • Price Range: $8.98
  • Color: Brass
  • Material: Brass