National Item Identification Number
01-304-8152
013048152
2990-01-304-8152
2990013048152
National Stock Number
Item Name
RING,PISTON
Federal Supply Class
2990
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)
59379
ATLAS COPCO HOLYOKE INC
161 LOWER WESTFIELD RD
431
HOLYOKE
MA
01040
413-536-0600
Reference Numbers (Part Numbers)
RNG85
Required Categories
MATERIAL
CROSS-SECTIONAL SHAPE STYLE
JOINT STYLE
RING STYLE
RADIAL WALL THIC
Required Description
IRON INSERT
A1 PLAIN RECTANGULAR, STRAIGHT FACE
1 VERTICAL JOINT
1 CONCENTRIC