AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Seat Helical Compression Spring |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5340 Hardware Commercial |
| National Item Identification Number (NIIN) | 00-097-5779 (000975779) |
| NCB Code | USA (00) |
| Manufacturer | Zf Industrieantriebe Witten Gmbh, Westinghouse Air Brake Technologies |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAWY | COUNTERBORE DIAMETER | 0.8600 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 0.4660 INCHES NOMINAL |
| ABPR | FIRST STEP DIAMETER | 1.5625 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.2930 INCHES NOMINAL |
| APGF | DESIGN TYPE | SOLID |
| BBRB | END DIAMETER | 0.9350 INCHES NOMINAL |
| BYYF | BORE TAPER IN DEG | 45.0 |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.3750 INCHES NOMINAL |
| BZDL | COUNTERBORE LENGTH | 0.3125 INCHES NOMINAL |
| BZMH | SPHERICAL SEAT TOP RADIUS | 0.7500 INCHES NOMINAL |
| MATT | MATERIAL | STEEL |
| SFTT | SURFACE TREATMENT | CADMIUM |
| STYL | STYLE DESIGNATOR | SEAT |
| Relevant Components for NSN - 5340-00-097-5779, 5340000975779 | ||||
| 5305-00-825-1285 (5305008251285) | 5315-01-177-1845 (5315011771845) | 5340-01-536-0624 (5340015360624) | 5330-01-398-3824 (5330013983824) | |
| 5365-00-602-2520 (5365006022520) | 5340-01-658-6711 (5340016586711) | 5306-00-488-7520 (5306004887520) | 5310-00-443-4905 (5310004434905) | |
| 5305-00-579-4230 (5305005794230) | 5306-01-488-3599 (5306014883599) | 5340-01-429-0378 (5340014290378) | 5305-01-208-9074 (5305012089074) | |
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