NSN 5340-00-572-8042

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-00-572-8042 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: 70798, 5340-00-572-8042, 00-572-8042, 5340005728042, 005728042

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-572-804224328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-00-572-8042
Part Number Cage Code Manufacturer
7079815434CUMMINS INC.
Technical Data | NSN 5340-00-572-8042
Characteristic Specifications
STYLE DESIGNATOR SEAT
OVERALL HEIGHT0.4000 INCHES MINIMUM AND 0.4200 INCHES MAXIMUM
END DIAMETER0.4300 INCHES MINIMUM AND 0.4500 INCHES MAXIMUM
DISTANCE FROM END TO FIRST STEP0.1050 INCHES MINIMUM AND 0.1150 INCHES MAXIMUM
FIRST STEP DIAMETER0.7370 INCHES MINIMUM AND 0.7410 INCHES MAXIMUM
BORE DIAMETER0.3000 INCHES MINIMUM AND 0.3200 INCHES MAXIMUM
COUNTERSINK DIAMETER0.4400 INCHES MINIMUM AND 0.4500 INCHES MAXIMUM
COUNTERBORE LENGTH0.1950 INCHES MINIMUM AND 0.2050 INCHES MAXIMUM
SECOND COUNTERBORE LENGTH0.0900 INCHES MINIMUM AND 0.1100 INCHES MAXIMUM
COUNTERBORE DIAMETER0.4400 INCHES MINIMUM AND 0.4500 INCHES MAXIMUM
SECOND COUNTERBORE DIAMETER0.5500 INCHES MINIMUM AND 0.5700 INCHES MAXIMUM
COUNTERSINK ANGLE IN DEG60.0
CHAMFER ANGLE IN DEG30.0
SPHERICAL SEAT TOP RADIUS0.0150 INCHES NOMINAL
DESIGN TYPE SOLID
SPECIAL FEATURESCHAMFER CORNERS 0.010 INCH TO 0.020 IN.