• Back Up Ring, 9A30 SB4T112

Freudenberg NOK Sealing Technologies SB4T112 Back Up Ring, 9A30

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Quantity:
Availability:
PART NUMBER:
SB4T112
Shipping Weight:
0.50 LBS

Description

Freudenberg Sealing Technologies (formerly Tobul) backup ring is a ring of hard, extrusion resistant material such as high nitrile, nylon, Hytrel, or PTFE. A back-up ring is designed to fit between the O-ring and the extrusion gap and prevent the extrusion of the O-ring.