NSN 5340-00-533-3888

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-00-533-3888 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: 2990005333888, 11684065, 5340-00-533-3888, 00-533-3888, 5340005333888, 005333888

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 14, 197400-533-388824328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-00-533-3888
Part Number Cage Code Manufacturer
2990005333888SCY13E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES
1168406519207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 5340-00-533-3888
Characteristic Specifications
MATERIAL STEEL COMP 1117
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108, GRADE 1117 ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL HARDNESS RATINGRSA89.0 ROCKWELL SUPERFICIAL 15-N
SURFACE TREATMENT CHROMIUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR7 SEAT
OVERALL HEIGHT0.4250 INCHES NOMINAL
END DIAMETER0.4060 INCHES MINIMUM AND 0.4100 INCHES MAXIMUM
DISTANCE FROM END TO FIRST STEP0.3750 INCHES NOMINAL
FIRST STEP DIAMETER0.5270 INCHES NOMINAL
BORE DIAMETER0.3450 INCHES MINIMUM AND 0.3500 INCHES MAXIMUM
DESIGN TYPE SOLID