AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Spring Helical Torsion |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5360 Coil Flat Leaf and Wire Springs |
| National Item Identification Number (NIIN) | 01-054-3979 (010543979) |
| NCB Code | USA (01) |
| Manufacturer | Paramount Spring Engineering Co Inc, Lockheed Martin Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AARX | INSIDE DIAMETER | 0.290 INCHES NOMINAL |
| ABQK | END STYLE | ANGULAR SECOND END |
| ABQK | END STYLE | ONE HOOK END FIRST END |
| AGEK | SPRING FREE LENGTH | 1.030 INCHES NOMINAL |
| APCN | COIL QUANTITY | 5 |
| AXLH | COIL HELIX DIRECTION | LEFT-HAND |
| AXLQ | SPRING FREE OUTSIDE DIAMETER | 0.500 INCHES NOMINAL |
| CXTH | END LENGTH | 1.000 INCHES NOMINAL BOTH ENDS |
| CXTM | END LENGTH FROM COIL AXIS TO FIRST BEND | 0.750 INCHES NOMINAL OVERALL |
| CXTN | END LENGTH FROM FIRST BEND TO SECOND BEND OR END | 0.250 INCHES NOMINAL OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STYL | STYLE DESIGNATOR | SINGLE TORSION LEFT HAND |
| Relevant Components for NSN - 5360-01-054-3979, 5360010543979 | ||||
| 5365-01-101-3819 (5365011013819) | 5305-01-006-9246 (5305010069246) | 5310-00-639-2818 (5310006392818) | 5310-01-332-9051 (5310013329051) | |
| 5330-01-399-2381 (5330013992381) | 5340-01-496-5144 (5340014965144) | 5342-00-326-6390 (5342003266390) | 5305-01-361-1154 (5305013611154) | |
| 5305-01-516-4729 (5305015164729) | 5330-15-007-8953 (5330150078953) | 5340-01-078-1350 (5340010781350) | 5310-01-471-5429 (5310014715429) | |
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