NSN 5340-00-831-7052

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-00-831-7052 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: S6165615531, S6165-61553-1, S616561553001, S6165-61553-001, 5340-00-831-7052, 00-831-7052, 5340008317052, 008317052

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196200-831-705224328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-00-831-7052
Part Number Cage Code Manufacturer
S6165-61553-178286SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY
S6165-61553-00178286SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY
Technical Data | NSN 5340-00-831-7052
Characteristic Specifications
MATERIAL STEEL
MATERIAL HARDNESS RATINGRCB26.0 ROCKWELL C MAXIMUM AND 33.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR SEAT
OVERALL HEIGHT0.6770 INCHES MINIMUM AND 0.6820 INCHES MAXIMUM
END DIAMETER0.8120 INCHES NOMINAL
DISTANCE FROM END TO FIRST STEP0.6230 INCHES MINIMUM AND 0.6320 INCHES MAXIMUM
FIRST STEP DIAMETER1.3750 INCHES NOMINAL
BORE DIAMETER0.3800 INCHES MINIMUM AND 0.3900 INCHES MAXIMUM
COUNTERSINK DIAMETER0.4210 INCHES NOMINAL
COUNTERBORE LENGTH0.0040 INCHES MINIMUM AND 0.0080 INCHES MAXIMUM
COUNTERBORE DIAMETER0.6820 INCHES MINIMUM AND 0.6920 INCHES MAXIMUM
COUNTERSINK ANGLE IN DEG90.0
CHAMFER ANGLE IN DEG45.0
DESIGN TYPE SOLID
SPECIAL FEATURESNOT CASEHARDENED;MATL-STEEL MIL-S-6758 COND C