The item has four holes in it
A circular shaped item designed to be installed in a specially prepared groove or counterbore to provide a low pressure seal. It may be supplied in various cross-sectional shapes and is cut through at one point to allow for installation and fitting. Excludes items whose primary function is to provide sealing, wiping, or wearing surface capabilities for piston configurations. See also ring, piston and ring, wiper.
Classification: Gaskets,washers & other seals
NSN 5915-01-659-5345
NSN 5920-01-168-2044
NSN 5910-00-357-0053
NSN 5920-01-058-7648
NSN 5920-01-085-8374
NSN 5935-01-415-6544
NSN 5950-00-952-3076
NSN 5975-01-580-2794
NSN 6620-00-891-8584
NSN 6145-00-394-9120
NSN 6220-01-431-7915
NSN 6150-01-367-6058