NSN 5340-00-342-3459

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-00-342-3459 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: S749I204, 811E123, S749I204, 5340-00-342-3459, 00-342-3459, 5340003423459, 003423459

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-342-345924328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-00-342-3459
Part Number Cage Code Manufacturer
S749I20418990EAGLE CRUSHER CO INC
811E12302413KERSEY / AMERICAN LAFRANCEA DIV OF FIGGIE INTERNATIONAL INC
S749I20414351TELEDYNE CONTINENTAL MOTORSINDUSTRIAL PRODUCTS DIV
Technical Data | NSN 5340-00-342-3459
Characteristic Specifications
MATERIAL HARDNESS RATINGRCA51.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR2 SEAT
OVERALL HEIGHT0.5000 INCHES NOMINAL
END DIAMETER0.8590 INCHES NOMINAL
DISTANCE FROM END TO FIRST STEP0.3080 INCHES MINIMUM AND 0.3180 INCHES MAXIMUM
FIRST STEP DIAMETER1.4060 INCHES NOMINAL
FIRST STEP LENGTH0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM
SECOND STEP DIAMETER1.8130 INCHES NOMINAL
SECOND END DIAMETER1.6650 INCHES NOMINAL
BORE DIAMETER0.6990 INCHES MINIMUM AND 0.7030 INCHES MAXIMUM
BORE TAPER IN DEG7.125
CHAMFER ANGLE IN DEG7.125
SEAT ANGLE IN DEG30.000
DESIGN TYPE SOLID
FSC APPLICATION DATAENGINES,RECIPROCATING,GASOLINE,EXCEPT AIRCRAFT PRIME MOVING