NSN 5340-00-301-3984

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-00-301-3984 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: 942A4, 913570, 7521939, 5340-00-301-3984, 00-301-3984, 5340003013984, 003013984

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196100-301-398424328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-00-301-3984
Part Number Cage Code Manufacturer
942A456442DIAMOND REO TRUCK CO
91357058275SASCO INC CANADIAN DIV
752193919207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 5340-00-301-3984
Characteristic Specifications
MATERIAL STEEL
MATERIAL HARDNESS RATINGRSB85.5 ROCKWELL SUPERFICIAL 15-N AND RSC87.5 ROCKWELL SUPERFICIAL 15-N
STYLE DESIGNATOR2 SEAT
OVERALL HEIGHT0.6393 INCHES MINIMUM AND 0.6643 INCHES MAXIMUM
DISTANCE FROM END TO FIRST STEP0.4568 INCHES MINIMUM AND 0.4668 INCHES MAXIMUM
FIRST STEP DIAMETER1.3100 INCHES MINIMUM AND 1.3200 INCHES MAXIMUM
FIRST STEP LENGTH0.0800 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM
SECOND STEP DIAMETER1.7500 INCHES NOMINAL
SECOND END DIAMETER1.5000 INCHES NOMINAL
BORE DIAMETER0.6520 INCHES NOMINAL
COUNTERBORE LENGTH0.0625 INCHES NOMINAL
BORE TAPER IN DEG15.0
COUNTERSINK ANGLE IN DEG45.0
CHAMFER ANGLE IN DEG5.0
SEAT ANGLE IN DEG60.0
DESIGN TYPE SOLID
FEATURES PROVIDED CASEHARDENED