Product Details | HELICAL COMPRESSION SPRING SEAT

5340-00-353-8989 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.

Part Alternates: 003538989

Engines, Turbines, and Components | Gasoline Reciprocating Engines, Except Aircraft; and Components

Supply Group (FSG) NSN Assign. NIIN
28 00-353-8989

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Technical Data | NSN 5340-00-353-8989

Characteristic Specifications
MATERIAL STEEL
MATERIAL HARDNESS RATING NOT RATED
OVERALL HEIGHT 0.3750 INCHES NOMINAL
END DIAMETER 0.8960 INCHES MINIMUM AND 0.9060 INCHES MAXIMUM
DISTANCE FROM END TO FIRST STEP 0.2970 INCHES NOMINAL
FIRST STEP DIAMETER 1.2500 INCHES NOMINAL
BORE DIAMETER 0.3440 INCHES MINIMUM AND 0.3480 INCHES MAXIMUM
COUNTERBORE LENGTH 0.2810 INCHES NOMINAL
COUNTERBORE DIAMETER 0.7190 INCHES NOMINAL
DESIGN TYPE SOLID
SPECIAL FEATURES MATL-STEEL QQ-S-633,FS1120;NOT CASEHARDENED
III FSC APPLICATION DATA CYLINDER AND CRANKCASE ASSEMBLY,GASOLINE ENGINE,NONAIRCRAFT

Restrictions/Controls & Freight Information | NSN 5340-00-353-8989

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Category Code Description
No Freight Information