NSN 5340-00-903-0986

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-00-903-0986 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: 8430288, 5340-00-903-0986, 00-903-0986, 5340009030986, 009030986

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196000-903-098624328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-00-903-0986
Part Number Cage Code Manufacturer
843028819204ARMY, UNITED STATES DEPARTMENT OFTHE
Technical Data | NSN 5340-00-903-0986
Characteristic Specifications
MATERIAL ALUMINUM ALLOY 6061
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200 TO 8, 6061, T651 FED SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENT ANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625, TYPE 2, CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR6 SEAT
OVERALL HEIGHT1.4000 INCHES NOMINAL
END DIAMETER3.8150 INCHES NOMINAL
DISTANCE FROM END TO FIRST STEP0.6000 INCHES NOMINAL
FIRST STEP DIAMETER5.2400 INCHES NOMINAL
FIRST STEP LENGTH0.4400 INCHES NOMINAL
SECOND END DIAMETER4.7500 INCHES NOMINAL
BORE DIAMETER3.5040 INCHES NOMINAL
COUNTERBORE LENGTH0.3000 INCHES NOMINAL
COUNTERBORE DIAMETER3.7700 INCHES NOMINAL
SPHERICAL SEAT TOP RADIUS3.5040 INCHES NOMINAL
DESIGN TYPE SOLID