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Style ST-XL wipers are molded from premium urethane and are direct replacements for Style “ST” or “D” wipers. The outside diameter of the ring has a crush lip providing extra interference in the groove. A bead on the shoulder stops contaminates from entering through the groove. The inside diameter is ribbed to prevent pressure traps between the wiper and rod seal.

94A Durometer | Urethane Material | 1 5/8 in Nominal Inner Diameter

Features

  • Crush lip to provide extra interference
  • Bead on the shoulder to keep contaminants out
  • Ribbed ID to prevent pressure traps

$5.92
/EA

These seals are specifically designed with a second lip on their inside diameter and engineered to attain maximum, life and reliability in dynamic rod sealing. This feature results in reduced leakage, less friction, increased stability, and, prevents air and contaminants from entering the cylinder.

92A Durometer | Urethane Material | 2 in Nominal Inner Diameter | 1/4 in Cross Section | U-Seal

Features

  • General purpose rod seal
  • Robust design
  • Excellent wear resistance
  • Increase seal stability
  • Performs well over wide temperature range and is extremely effective in low temperatures
  • Primary lip protection
  • Easy to install

$17.54
/EA

O-ring

O-Ring

$31.85
/EA
O-ring | CRC Distribution Inc.

O-ring

O-Ring

$9.48
/EA

WR-NYL, 4 1/2 X 1/2 Wear Ring

$11.13
/EA

Parback® backup ring with a curved cross-section.

Parbaks are contoured on one face to minimize distortion of the o-ring when under pressure. Parbaks should be installed with the contoured face against the o-ring, but reversal does no harm.

90A Durometer | Buna-N Rubber Material | 1 1/2 in Nominal Inner Diameter | 1/8 in Cross Section | Backup Ring

Features

  • Excellent extrusion resistance
  • Easily stretched for installation
  • Lubrication is enhanced by rubber which absorbs system fluid and does not plate out on rubbing surfaces

$0.72
/EA
O-ring | CRC Distribution Inc.

O-ring

O-Ring

$6.49
/EA
HNBR O-ring | CRC Distribution Inc.

Hydrogenated Nitrile Rubber (HNBR), also known as Highly Saturated Nitrile (HSN), is a compound with superior heat, ozone, chemical resistance, tensile strength and abrasion resistance over natural rubber. HNBR provides excellent service life in most sealing applications such as oilfield, automotive and refrigerants.

70 Durometer | Highly Saturated Nitrile Material | 3 3/4 in Nominal Inner Diameter | 1/8 in Cross Section | O-Ring

Features

  • Chemical resistance
  • Tensile strength
  • Abrasion resistance
  • Excellent service life in most sealing applications such as oilfield, automotive and refrigerants

$2.36
/EA

Parback® backup ring with a curved cross-section.

Parbaks are contoured on one face to minimize distortion of the o-ring when under pressure. Parbaks should be installed with the contoured face against the o-ring, but reversal does no harm.

90A Durometer | Buna-N Rubber Material | 2 in Nominal Inner Diameter | 1/8 in Cross Section | Backup Ring

Features

  • Excellent extrusion resistance
  • Easily stretched for installation
  • Lubrication is enhanced by rubber which absorbs system fluid and does not plate out on rubbing surfaces

$1.01
/EA
1 3/8 X 1 9/16 X 3/32 O-ring NBR70(20) - 568-126 | CRC Distribution Inc.

O-rings as elastic loops that seal static and dynamic applications. They are used to seal the space between cylinders, pistons, pipes and tubes and can be made from various materials.

70 Durometer | Buna-N Rubber Material | 1 3/8 in Nominal Inner Diameter | 3/32 in Cross Section | O-Ring

Features

  • Pressure range varies according to diametral clearance
  • Temperature range of -40 °F to -240 °F

$0.24
/EA
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