National Item Identification Number
00-170-9937
001709937
1680-00-170-9937
1680001709937
National Stock Number
Item Name
SEAT,HELICAL COMPRESSION SPRING
Federal Supply Class
1680
Description
A circular item, usually having a flat or grooved flange, boss(es), and/or counterbore designed to accommodate the end of the spring. It is used to position the spring, but does not encase the spring or restrain lateral motion. It may be used in conjunction with a RETAINER, HELICAL COMPRESSION SPRING. Excludes WASHER (1), (as modified); SEAT, BALL SOCKET and HOLDER, SPRING. See also ROTOR, ENGINE POPPET VALVE.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
8204272
Required Categories
Required Description