| 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) | 01-049-6541 (010496541) |
| NCB Code | USA (01) |
| Manufacturer | Peerless Screw Products Corporation, Hamilton Sundstrand Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKW | OVERALL HEIGHT | 0.3320 INCHES NOMINAL |
| ABPR | FIRST STEP DIAMETER | 0.3050 INCHES NOMINAL |
| ABPT | SECOND STEP DIAMETER | 0.3850 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.1280 INCHES NOMINAL |
| BBRB | END DIAMETER | 0.2750 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | BORE 0.250 IN. DP FROM FLANGED END |
| MATT | MATERIAL | STEEL |
| STYL | STYLE DESIGNATOR | SEAT |
| Relevant Components for NSN - 5340-01-049-6541, 5340010496541 | ||||
| 5325-01-474-4172 (5325014744172) | 5305-00-005-0050 (5305000050050) | 5305-01-081-2450 (5305010812450) | 5360-00-248-8834 (5360002488834) | |
| 5340-01-369-8169 (5340013698169) | 5305-00-899-3578 (5305008993578) | 5330-00-593-8695 (5330005938695) | 5305-01-514-9340 (5305015149340) | |
| 5340-01-702-5703 (5340017025703) | 5360-00-920-9595 (5360009209595) | 5340-01-691-6457 (5340016916457) | 5306-01-269-7435 (5306012697435) | |
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