National Item Identification Number
25-138-3798
251383798
4310-25-138-3798
4310251383798
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)
N1016
SPERRE INDUSTRI A/S
ELLINGSOEY
6057
NORWAY
70161100
Reference Numbers (Part Numbers)
3493
Required Categories
Required Description