National Item Identification Number
00-989-3406
009893406
3895-00-989-3406
3895009893406
National Stock Number
Item Name
RING,PISTON
Federal Supply Class
3895
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)
Reference Numbers (Part Numbers)
D203
0200300
Required Categories
MATERIAL
SURFACE TREATMENT
SPECIAL FEATURES
Required Description
ANY ACCEPTABLE OVERALL
ANY ACCEPTABLE OVERALL
15 COMPRESSION RINGS FOR MODEL D