Pneumatic Fitting Accessories

Pneumatic systems are made up of multiple hoses, tubing, fittings and accessories. Pneumatic fitting accessories are designed to work alongside your pneumatic fittings and tubing to improve their capabilities. Pneumatic fittings include bolts, adapters, t-fittings and y-fittings.

Accessories for pneumatic fittings are generally threaded for screw fastening or they are push-in fittings.

Types of pneumatic fitting accessory:

  • Blanking Plugs
  • Tubing Nuts
  • End Caps
  • Adapters
  • Spatter Covers
  • Locknuts
  • Washers
  • Tubing Sleeves

Why use pneumatic fittings accessories?

Using an accessory alongside your fitting can assist with assembly or provide extra functionality. For example, using a blanking plug to prevent dust and dirt from entering the tube and contaminating the pneumatic system.

What are pneumatic fitting accessories made from?

Your choice of material will depend on your application. We offer a wide range of parts and materials, such as copper washers, PBT plugs, brass locknuts and stainless steel studs.


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Description Price Accessory Type Manufacturer Series Tube Size Threaded Connection Material Threaded Connection - Thread Size Threaded Connection - Thread Standard Chemical Resistant Food Grade For Use With Outer Diameter Overall Length
RS Stock No. 218-1820
Mfr. Part No.PLUG1/4
BrandSMC
SGD0.856
Each (In a Pack of 5)
units
- - 1/4in R 1/4 - 1/4in R - - - - -
RS Stock No. 721-397
Mfr. Part No.0220 13 00
BrandLegris
SGD3.967
Each (In a Pack of 10)
units
- 0220 - G 1/4 Brass 1/4in G - - - - -
RS Stock No. 218-1814
Mfr. Part No.PX0588
BrandSMC
SGD0.856
Each (In a Pack of 5)
units
- - 1/8in R 1/8 - 1/8in R - - - - -
RS Stock No. 222-3889
Mfr. Part No.M-5P
BrandSMC
SGD1.098
Each (In a Pack of 5)
units
- M - M5 x 0.8 Brass M5 x 0.8 Metric - - - - -
RS Stock No. 721-375
Mfr. Part No.0220 19 00
BrandLegris
SGD4.659
Each (In a Pack of 10)
units
- 0220 - M5 x 0.8 Brass M5 x 0.8 Metric - - - - -
RS Stock No. 371-9555
Mfr. Part No.KQ2P-06
BrandSMC
SGD1.61
Each (In a Pack of 5)
units
- KQ2 6mm - Brass, PBT, PP - - - - - - -
RS Stock No. 218-1763
Mfr. Part No.KQP-04
BrandSMC
SGD1.658
Each (In a Pack of 5)
units
- KQ 4mm - PBT, PP - - - - - - -
RS Stock No. 371-9549
Mfr. Part No.KQ2P-04
BrandSMC
SGD1.69
Each (In a Pack of 5)
units
- KQ2 4mm - Brass, PBT, PP - - - - - - -
RS Stock No. 400-3019
Mfr. Part No.KQ2P-10
BrandSMC
SGD2.404
Each (In a Pack of 5)
units
- KQ2 10mm - Brass, PBT, PP - - - - - - -
RS Stock No. 771-4898
Mfr. Part No.KQ2C04-00A
BrandSMC
SGD2.76
Each (In a Pack of 5)
units
- KQ2 4mm - Brass, PBT, PP, Stainless Steel - - - - - - -
RS Stock No. 218-1785
Mfr. Part No.KQP-08
BrandSMC
SGD1.68
Each (In a Pack of 5)
units
- KQ 8mm - Brass, PBT, PP - - - - - - -
RS Stock No. 722-069
Mfr. Part No.3126 08 00
BrandLegris
SGD2.58
Each (In a Pack of 10)
units
- 3126 8mm - Polymer - - - - - - -
RS Stock No. 907-5930
Mfr. Part No.KQ2C08-00A
BrandSMC
SGD1.922
Each (In a Pack of 5)
units
- - 8mm - FEP, Nylon, PFA, Polyurethane, Soft Nylon - - - - KQ2 Series 15.2mm 20.5mm
RS Stock No. 367-6149
Mfr. Part No.0138 10 00
BrandLegris
SGD0.382
Each (In a Pack of 10)
units
Washer 0138 - - - - - - - - - -
RS Stock No. 873-2682
Mfr. Part No.KQ2C08-00A
BrandSMC
SGD35.566
Each (In a Pack of 5)
units
- - 8mm - C3604, PBT, PP - - - - KQ2C Series 15.2mm 20.5mm
RS Stock No. 722-047
Mfr. Part No.3126 04 00
BrandLegris
SGD1.225
Each (In a Pack of 10)
units
- 3126 4mm - Polymer - - - - - - -
RS Stock No. 371-9561
Mfr. Part No.KQ2P-08
BrandSMC
SGD1.688
Each (In a Pack of 5)
units
- KQ2 8mm - Brass, PBT, PP - - - - - - -
RS Stock No. 400-3025
Mfr. Part No.KQ2P-12
BrandSMC
SGD2.594
Each (In a Pack of 5)
units
- KQ2 12mm - Brass, PBT, PP - - - - - - -
RS Stock No. 226-757
Mfr. Part No.222F10028
BrandNorgren
SGD6.638
Each (In a Pack of 5)
units
Locknut 22 - G 1/4 Brass - - - - - - -
RS Stock No. 218-1842
Mfr. Part No.PLUG1/2
BrandSMC
SGD4.324
Each (In a Pack of 5)
units
- - 1/2in R 1/2 - 1/2in R - - - - -