NSN 5340-00-781-3775

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-00-781-3775 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: A51G2052211, A51G20522-11, A51G2052211, A51G20522-11, 5340-00-781-3775, 00-781-3775, 5340007813775, 007813775

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 23, 197200-781-377524328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-00-781-3775
Part Number Cage Code Manufacturer
A51G20522-1126512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
A51G20522-1161174NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE
Technical Data | NSN 5340-00-781-3775
Characteristic Specifications
MATERIAL ALUMINUM ALLOY
STYLE DESIGNATOR SEAT
OVERALL HEIGHT0.6000 INCHES NOMINAL
END DIAMETER0.4800 INCHES MINIMUM AND 0.4850 INCHES MAXIMUM
DISTANCE FROM END TO FIRST STEP0.5200 INCHES NOMINAL
FIRST STEP DIAMETER0.8660 INCHES MINIMUM AND 0.8680 INCHES MAXIMUM
BORE DIAMETER0.4010 INCHES MINIMUM AND 0.4020 INCHES MAXIMUM
COUNTERSINK DIAMETER0.4600 INCHES NOMINAL
COUNTERSINK ANGLE IN DEG45.0
DESIGN TYPE SOLID
SPECIAL FEATURESNOT CASEHARDENED
TEST DATA DOCUMENT81349-MIL-I-6866 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
FSC APPLICATION DATASPRING ASSEMBLY,CENTERING,SIDE BRACE,MAIN LANDING GEAR,AIRCRAFT