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) | 00-498-7568 (004987568) |
| NCB Code | USA (00) |
| Manufacturer | Harris Corporation, Itt Industries Limited, International Telephone |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| W51-68 | harris corporation | spring helical torsion | RFQ |
| WTA2522 | itt industries limited | spring helical torsion | RFQ |
| W51-68 | itt industries limited | spring helical torsion | RFQ |
| WTA2522 | harris corporation | spring helical torsion | RFQ |
| W51-51 | international telephone | spring helical torsion | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AARX | INSIDE DIAMETER | 0.156 INCHES NOMINAL |
| AGEK | SPRING FREE LENGTH | 0.562 INCHES NOMINAL |
| APCN | COIL QUANTITY | 20 |
| AXLH | COIL HELIX DIRECTION | LEFT-HAND |
| AXLQ | SPRING FREE OUTSIDE DIAMETER | 0.196 INCHES NOMINAL |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | NICKEL OVERALL |
| STYL | STYLE DESIGNATOR | SINGLE TORSION LEFT HAND |
| Relevant Components for NSN - 5360-00-498-7568, 5360004987568 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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