NSN 5340-00-678-4295

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-00-678-4295 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: 8765806, 5340-00-678-4295, 00-678-4295, 5340006784295, 006784295

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-678-429524328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-00-678-4295
Part Number Cage Code Manufacturer
876580619206ARMY, UNITED STATES DEPARTMENT OFTHE
Technical Data | NSN 5340-00-678-4295
Characteristic Specifications
MATERIAL STEEL COMP 1345H
MATERIAL DOCUMENT AND CLASSIFICATIONAFED STD 66$JGAAISI 1345H$JGASAE 1345H 2ND MATERIAL RESPONSE
MATERIAL HARDNESS RATINGRHC25.0 INTERNATIONAL RUBBER HARDNESS DEGREE SCALE AND RHC30.0 INTERNATIONAL RUBBER HARDNESS DEGREE SCALE
STYLE DESIGNATOR4 SEAT
OVERALL HEIGHT3.7500 INCHES NOMINAL
END DIAMETER2.9600 INCHES NOMINAL
DISTANCE FROM END TO FIRST STEP2.2150 INCHES NOMINAL
FIRST STEP DIAMETER2.9980 INCHES NOMINAL
FIRST STEP LENGTH1.2700 INCHES NOMINAL
SECOND STEP DIAMETER4.2500 INCHES NOMINAL
BORE DIAMETER1.0400 INCHES NOMINAL
COUNTERBORE LENGTH1.7050 INCHES NOMINAL
COUNTERBORE DIAMETER2.1250 INCHES NOMINAL
DESIGN TYPE SPLIT
SPECIAL FEATURESM1,M60,M60A1,M48A5