National Item Identification Number

00-136-9398
001369398
1650-00-136-9398
1650001369398

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)

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99167

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Reference Numbers (Part Numbers)

702773

Required Categories

MATERIAL
MATERIAL HARDNESS RATING
STYLE DESIGNATOR

Required Description

STEEL
50.0 ROCKWELL C MINIMUM AND
55.0 ROCKWELL C MAXIMUM
N2 SEAT