NSN 5340-00-878-1657
Part Details | HELICAL COMPRESSION SPRING SEAT
5340-00-878-1657 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: 556549, 5340-00-878-1657, 00-878-1657, 5340008781657, 008781657
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | SEP 25, 1974 | 00-878-1657 | 24328 ( SEAT, HELICAL COMPRESSION SPRING ) |
REFERENCE DRAWINGS & PICTURES
SEAT
Cross Reference | NSN 5340-00-878-1657
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 556549 | 73030 | HAMILTON SUNDSTRAND CORPORATION |
Technical Data | NSN 5340-00-878-1657
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 2024 |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-268-CANCELED FED SPEC SINGLE MATERIAL RESPONSE |
| STYLE DESIGNATOR | 0 SEAT |
| OVERALL HEIGHT | 0.1800 INCHES NOMINAL |
| END DIAMETER | 1.9400 INCHES NOMINAL |
| BORE DIAMETER | 0.5200 INCHES NOMINAL |
| COUNTERBORE LENGTH | 0.1000 INCHES NOMINAL |
| COUNTERBORE DIAMETER | 1.7600 INCHES NOMINAL |
| LAND HEIGHT | 0.0800 INCHES NOMINAL |
| SPHERICAL SEAT TOP RADIUS | 0.0160 INCHES MINIMUM AND 0.0470 INCHES MAXIMUM |
| DESIGN TYPE | SOLID |
| SPECIAL FEATURES | NOT CASEHARDENED |
| FSC APPLICATION DATA | SEPARATOR,WATER,ACFT AIR CONDITIONING SYSTEM |