NSN 5340-00-854-8851

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-00-854-8851 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: 14512, 5340-00-854-8851, 00-854-8851, 5340008548851, 008548851

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 04, 196700-854-885124328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-00-854-8851
Part Number Cage Code Manufacturer
1451299643EATON CORPORATIONDBA EATON AEROSPACE
Technical Data | NSN 5340-00-854-8851
Characteristic Specifications
MATERIAL STEEL COMP 416
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, CLASS 416 FED SPEC SINGLE MATERIAL RESPONSE
MATERIAL HARDNESS RATINGRCB25.0 ROCKWELL C MAXIMUM AND 32.0 ROCKWELL C MAXIMUM
SURFACE TREATMENT PASSIVATE
STYLE DESIGNATOR SEAT
OVERALL HEIGHT0.0900 INCHES NOMINAL
END DIAMETER0.3750 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM
DISTANCE FROM END TO FIRST STEP0.0580 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM
FIRST STEP DIAMETER0.7430 INCHES MINIMUM AND 0.7480 INCHES MAXIMUM
BORE DIAMETER0.1250 INCHES NOMINAL
DESIGN TYPE SOLID
SPECIAL FEATURESNOT CASEHARDENED
FSC APPLICATION DATAVALVES AIRCRAFT HYDRAULIC SYSTEM,SPECIALLY DESIGNED