NSN 5340-00-972-7178

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-00-972-7178 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: P1166, 255023A, 255023-A, 255023A, 255023-A, 5340-00-972-7178, 00-972-7178, 5340009727178, 009727178

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196200-972-717824328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-00-972-7178
Part Number Cage Code Manufacturer
P116607860BOGUE ELECTRIC MANUFACTURING CO
255023-A1ML14BRINKLEY TECHNOLOGY GROUP, LLCDBA HERCULES ENGINE COMPONENTS
255023-A28265HERCULES ENGINE CO INC
Technical Data | NSN 5340-00-972-7178
Characteristic Specifications
MATERIAL STEEL
STYLE DESIGNATOR SEAT
OVERALL HEIGHT0.3437 INCHES NOMINAL
END DIAMETER0.6250 INCHES NOMINAL
DISTANCE FROM END TO FIRST STEP0.0468 INCHES NOMINAL
FIRST STEP DIAMETER0.9062 INCHES NOMINAL
FIRST STEP LENGTH0.0937 INCHES NOMINAL
SECOND STEP DIAMETER1.1562 INCHES NOMINAL
SECOND END DIAMETER0.8437 INCHES NOMINAL
BORE DIAMETER0.5000 INCHES NOMINAL
COUNTERSINK DIAMETER0.5312 INCHES NOMINAL
COUNTERBORE LENGTH0.0156 INCHES NOMINAL
BORE TAPER IN DEG10.0
COUNTERSINK ANGLE IN DEG45.0
SEAT ANGLE IN DEG37.0
DESIGN TYPE SOLID
FEATURES PROVIDED CASEHARDENED