National Item Identification Number
00-039-7278
000397278
2540-00-039-7278
2540000397278
National Stock Number
Item Name
SEAT,HELICAL COMPRESSION SPRING
Federal Supply Class
2540
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)
19207
Reference Numbers (Part Numbers)
6280386
Required Categories
MATERIAL
MATERIAL HARDNESS RATING
SURFACE TREATMENT
STYLE DESIGNATOR
OVERALL
Required Description
STEEL
30.0 ROCKWELL C MINIMUM AND
37.0 ROCKWELL C MAXIMUM
ANY ACCEPTABLE
N1