NSN 5340-00-628-7408

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-00-628-7408 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: 537854, 5340-00-628-7408, 00-628-7408, 5340006287408, 006287408

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-628-740824328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-00-628-7408
Part Number Cage Code Manufacturer
53785473030HAMILTON SUNDSTRAND CORPORATION
Technical Data | NSN 5340-00-628-7408
Characteristic Specifications
MATERIAL STEEL COMP 4340
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6415 ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL HARDNESS RATINGRCB32.0 ROCKWELL C MAXIMUM AND 38.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR SEAT
OVERALL HEIGHT2.6450 INCHES MINIMUM AND 2.6550 INCHES MAXIMUM
END DIAMETER1.0800 INCHES NOMINAL
FIRST STEP DIAMETER1.7050 INCHES NOMINAL
SECOND STEP DIAMETER2.2000 INCHES NOMINAL
BORE DIAMETER1.1250 INCHES MINIMUM AND 1.1300 INCHES MAXIMUM
RIDGE HEIGHT0.2500 INCHES MINIMUM AND 0.3000 INCHES MAXIMUM
SEAT ANGLE IN DEG7.0
DESIGN TYPE SOLID
SPECIAL FEATURESNOT CASEHARDENED