National Item Identification Number
01-025-8823
010258823
1650-01-025-8823
1650010258823
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)
26512
Reference Numbers (Part Numbers)
1128HM40126-11
Required Categories
MATERIAL
MATERIAL HARDNESS RATING
SURFACE TREATMENT
STYLE DESIGNATOR
Required Description
STEEL
39.0 ROCKWELL C MINIMUM AND
45.0 ROCKWELL C MAXIMUM
PASSIVATED, MIL-S-5