National Item Identification Number
01-320-0958
013200958
4310-01-320-0958
4310013200958
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)
59364
59364
Reference Numbers (Part Numbers)
3173791-3
3176306-2
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
SURFACE TREAT
Required Description
STEEL CORROSION RESISTING OVERALL
AMS 5568 ASSN STD SINGLE MATERIAL RESPONSE OV