NSN 5340-01-135-8527

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-01-135-8527 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: 2180199, 5340-01-135-8527, 01-135-8527, 5340011358527, 011358527

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 30, 198201-135-852724328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-01-135-8527
Part Number Cage Code Manufacturer
218019977445UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS
Technical Data | NSN 5340-01-135-8527
Characteristic Specifications
MATERIAL STEEL COMP 440C
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5630 ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL HARDNESS RATINGRCB53.0 ROCKWELL C MAXIMUM AND 60.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR SEAT
OVERALL HEIGHT0.4200 INCHES MINIMUM AND 0.4600 INCHES MAXIMUM
END DIAMETER0.2550 INCHES MINIMUM AND 0.2650 INCHES MAXIMUM
DISTANCE FROM END TO FIRST STEP0.3900 INCHES MINIMUM AND 0.4100 INCHES MAXIMUM
FIRST STEP DIAMETER0.4900 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM
BORE DIAMETER0.1877 INCHES MINIMUM AND 0.1887 INCHES MAXIMUM
DESIGN TYPE SOLID
SPECIAL FEATURESNOT CASEHARDENED