National Item Identification Number
00-303-7020
003037020
1650-00-303-7020
1650003037020
National Stock Number
Item Name
SEAT,HELICAL COMPRESSION SPRING
Federal Supply Class
1650
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)
18355
88277
Reference Numbers (Part Numbers)
1143598
1143598
Required Categories
MATERIAL
OVERALL HEIGHT
FIRST STEP DIAMETER
BORE DIAMETER
DESIGN TYPE
SPECI
Required Description
BRASS, QQ-B-637
0.1250 INCHES NOMINAL
0.4840 INCHES MINIMUM AND
0.4850 INCHES