NSN 5340-00-436-5016

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-00-436-5016 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: 6565211255104, 65652-11255-104, 5340-00-436-5016, 00-436-5016, 5340004365016, 004365016

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 05, 196900-436-501624328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-00-436-5016
Part Number Cage Code Manufacturer
65652-11255-10478286SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY
Technical Data | NSN 5340-00-436-5016
Characteristic Specifications
MATERIAL STEEL COMP 630
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL HARDNESS RATING56.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM
SURFACE TREATMENT PASSIVATE
STYLE DESIGNATOR SEAT
OVERALL HEIGHT0.3500 INCHES MINIMUM AND 0.3600 INCHES MAXIMUM
END DIAMETER0.4000 INCHES MINIMUM AND 0.4200 INCHES MAXIMUM
DISTANCE FROM END TO FIRST STEP0.0900 INCHES MINIMUM AND 0.1100 INCHES MAXIMUM
FIRST STEP DIAMETER0.4350 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM
FIRST STEP LENGTH0.0650 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM
SECOND STEP DIAMETER0.5900 INCHES MINIMUM AND 0.6100 INCHES MAXIMUM
BORE DIAMETER0.3120 INCHES MINIMUM AND 0.3140 INCHES MAXIMUM
COUNTERBORE LENGTH0.0850 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM
COUNTERBORE DIAMETER0.4100 INCHES MINIMUM AND 0.4200 INCHES MAXIMUM
DESIGN TYPE SOLID
SPECIAL FEATURESNOT CASEHARDENED