NSN 5340-00-988-1531

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-00-988-1531 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: 8571861, 857186-1, 8571861, 857186-1, 5340-00-988-1531, 00-988-1531, 5340009881531, 009881531

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 02, 196600-988-153124328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-00-988-1531
Part Number Cage Code Manufacturer
857186-199193HONEYWELL INTERNATIONAL INC.DBA HONEYWELL
857186-159364HONEYWELL INTERNATIONAL INC.DBA HONEYWELL
Technical Data | NSN 5340-00-988-1531
Characteristic Specifications
MATERIAL ALUMINUM ALLOY
SURFACE TREATMENT ANODIZE
STYLE DESIGNATOR SEAT
OVERALL HEIGHT0.2900 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM
END DIAMETER1.3950 INCHES MINIMUM AND 1.4050 INCHES MAXIMUM
DISTANCE FROM END TO FIRST STEP0.1800 INCHES NOMINAL
FIRST STEP DIAMETER1.6250 INCHES NOMINAL
BORE DIAMETER0.3130 INCHES MINIMUM AND 0.3180 INCHES MAXIMUM
COUNTERSINK DIAMETER0.3700 INCHES MINIMUM AND 0.3900 INCHES MAXIMUM
COUNTERSINK ANGLE IN DEG80.0
DESIGN TYPE SOLID
SPECIAL FEATURESNOT CASEHARDENED
FSC APPLICATION DATAVALVE ASSY,REFRIGERATION SYSTEM,AIRCRAFT