NSN 2540-00-039-7278 000397278
Product Details | HELICAL COMPRESSION SPRING SEAT
2540-00-039-7278 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.
Part Alternates: 000397278
Vehicular Equipment Components | Vehicular Furniture and Accessories
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 25 | 00-039-7278 | 24328 ( SEAT, HELICAL COMPRESSION SPRING ) |
Drawings & Photos | NSN 2540-00-039-7278
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Technical Data | NSN 2540-00-039-7278
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL |
| MATERIAL HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM |
| SURFACE TREATMENT | ANY ACCEPTABLE |
| STYLE DESIGNATOR | N1 SEAT |
| OVERALL HEIGHT | 1.3750 INCHES NOMINAL |
| END DIAMETER | 2.5000 INCHES NOMINAL |
| DISTANCE FROM END TO FIRST STEP | 0.9370 INCHES NOMINAL |
| FIRST STEP DIAMETER | 4.4690 INCHES NOMINAL |
| BORE DIAMETER | 1.7460 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM |
| COUNTERSINK DIAMETER | 2.1250 INCHES NOMINAL |
| COUNTERSINK ANGLE IN DEG | 45.0 |
| CHAMFER ANGLE IN DEG | 14.0 |
| DESIGN TYPE | SOLID |
| SPECIAL FEATURES | NOT CASEHARDENED |
| III FSC APPLICATION DATA | PINTLE HOOK,VEHICULAR |
| MANUFACTURERS CODE | 19207 |
| DESIGN CONTROL REFERENCE | 6280386 |
Restrictions/Controls & Freight Information | NSN 2540-00-039-7278
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | P | There is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||