NSN 5340-00-158-0643

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-00-158-0643 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: 2586374, 5340-00-158-0643, 00-158-0643, 5340001580643, 001580643

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUN 16, 197100-158-064324328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-00-158-0643
Part Number Cage Code Manufacturer
258637480064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 5340-00-158-0643
Characteristic Specifications
MATERIAL ALUMINUM ALLOY
SURFACE TREATMENT ANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 3,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR SEAT
OVERALL HEIGHT0.3120 INCHES NOMINAL
END DIAMETER0.4500 INCHES NOMINAL
DISTANCE FROM END TO FIRST STEP0.1880 INCHES NOMINAL
FIRST STEP DIAMETER0.9070 INCHES MINIMUM AND 0.9170 INCHES MAXIMUM
BORE DIAMETER0.3300 INCHES MINIMUM AND 0.3400 INCHES MAXIMUM
DESIGN TYPE SOLID