National Item Identification Number

00-269-1694
002691694
1650-00-269-1694
1650002691694

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)

---

59364

---

---

Reference Numbers (Part Numbers)

1013378
1013378

Required Categories

MATERIAL
MATERIAL HARDNESS RATING
III FSC APPLICATION DATA

Required Description

STEEL
25.0 ROCKWELL C MINIMUM AND
31.0 ROCKWELL C MAXIMUM
POWER BRAKE VALVE,A