National Item Identification Number
00-397-5440
003975440
1620-00-397-5440
1620003975440
National Stock Number
Item Name
RING,PISTON
Federal Supply Class
1620
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)
13002
Reference Numbers (Part Numbers)
102-9
Required Categories
MATERIAL
CROSS-SECTIONAL SHAPE STYLE
JOINT STYLE
RING STYLE
RADIAL WALL THIC
Required Description
IRON OVERALL
A1 PLAIN RECTANGULAR, STRAIGHT FACE
2 DIAGONAL JOINT
1 CONCENTRI