National Item Identification Number
00-063-7642
000637642
4310-00-063-7642
4310000637642
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)
75370
RING KAYDON & SEAL INC
1600 WICOMICO ST
BALTIMORE
MD
21230
410-547-7700
75394
EMERSON POWER TRANSMISSION
CORPORATION
7565 HARMANS RD
HANOVER
MD
21076
410-768-2000
Reference Numbers (Part Numbers)
R25398
R25398
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
CROSS-SECTIONAL SHAPE STYLE
RIN
Required Description
COPPER ALLOY OVERALL
KOPPERS B-23 MFR REF ALL MATERIAL RESPONSES OVERALL
A1 PL