NSN 5340-01-092-7494

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-01-092-7494 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.

Alternate Parts: 7041002506101, 70410-02506-101, 5340-01-092-7494, 01-092-7494, 5340010927494, 010927494

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 01, 198001-092-749424328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-01-092-7494
Part Number Cage Code Manufacturer
70410-02506-10178286SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY
Technical Data | NSN 5340-01-092-7494
Characteristic Specifications
MATERIAL STEEL
MATERIAL HARDNESS RATINGRCB56.0 ROCKWELL C MAXIMUM AND 60.0 ROCKWELL C MAXIMUM
SURFACE TREATMENT PASSIVATE
STYLE DESIGNATOR SEAT
OVERALL HEIGHT0.2050 INCHES MINIMUM AND 0.2060 INCHES MAXIMUM
END DIAMETER0.5600 INCHES MINIMUM AND 0.5650 INCHES MAXIMUM
DISTANCE FROM END TO FIRST STEP0.1564 INCHES MINIMUM AND 0.1566 INCHES MAXIMUM
FIRST STEP DIAMETER0.9150 INCHES MINIMUM AND 0.9200 INCHES MAXIMUM
BORE DIAMETER0.4400 INCHES MINIMUM AND 0.4420 INCHES MAXIMUM
COUNTERSINK DIAMETER0.5300 INCHES NOMINAL
COUNTERSINK ANGLE IN DEG90.0
SPECIAL FEATURESMATL-STEEL QQ-S-763,CL 440C,COND A;NOT CASEHARDENED