National Item Identification Number
01-189-3218
011893218
4310-01-189-3218
4310011893218
National Stock Number
Item Name
RING,PISTON
Federal Supply Class
4310
Description
A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes PACKING, PREFORMED; RETAINER, OIL SEAL; RETAINER, PACKING; RING, RETAINING; RING WIPER; and SEAL RING, METAL.
Commercial and Government Entity Code (Supplier Data)
09790
EATON AEROSPACE LLC
DBA STERER ENGINEERING DIV VALVE &
4690 COLORADO BOULEVARD
LOS ANGELES
CA
90039
440-954-5739
Reference Numbers (Part Numbers)
81137-2
Required Categories
MATERIAL
Required Description
PLASTIC POLYTETRAFLUOROETHYLENE OVERALL