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) |
---|---|---|---|
53 | JUN 16, 1971 | 00-158-0643 | 24328 ( SEAT, HELICAL COMPRESSION SPRING ) |
REFERENCE DRAWINGS & PICTURES
SEAT

Cross Reference | NSN 5340-00-158-0643
Part Number | Cage Code | Manufacturer |
---|---|---|
2586374 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 5340-00-158-0643
Characteristic | Specifications |
---|---|
MATERIAL | ALUMINUM ALLOY |
SURFACE TREATMENT | ANODIZE |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 3,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE |
STYLE DESIGNATOR | SEAT |
OVERALL HEIGHT | 0.3120 INCHES NOMINAL |
END DIAMETER | 0.4500 INCHES NOMINAL |
DISTANCE FROM END TO FIRST STEP | 0.1880 INCHES NOMINAL |
FIRST STEP DIAMETER | 0.9070 INCHES MINIMUM AND 0.9170 INCHES MAXIMUM |
BORE DIAMETER | 0.3300 INCHES MINIMUM AND 0.3400 INCHES MAXIMUM |
DESIGN TYPE | SOLID |