NSN 5340-00-884-9989

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-00-884-9989 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: 538108, 5340-00-884-9989, 00-884-9989, 5340008849989, 008849989

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196200-884-998924328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-00-884-9989
Part Number Cage Code Manufacturer
53810873030HAMILTON SUNDSTRAND CORPORATION
Technical Data | NSN 5340-00-884-9989
Characteristic Specifications
MATERIAL STEEL COMP 416SE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5610 ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL HARDNESS RATINGRCB30.0 ROCKWELL C MAXIMUM AND 38.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR SEAT
OVERALL HEIGHT0.1200 INCHES NOMINAL
END DIAMETER0.3500 INCHES MINIMUM AND 0.3700 INCHES MAXIMUM
DISTANCE FROM END TO FIRST STEP0.0800 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM
FIRST STEP DIAMETER0.4930 INCHES MINIMUM AND 0.4940 INCHES MAXIMUM
BORE DIAMETER0.2400 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM
DESIGN TYPE SOLID
SPECIAL FEATURESNOT CASEHARDENED
FSC APPLICATION DATAPROPELLER,AIRCRAFT,VARIABLE PITCH