| Item Name | Spring Helical Extension |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5360 Coil Flat Leaf and Wire Springs |
| National Item Identification Number (NIIN) | 00-321-3498 (003213498) |
| NCB Code | USA (00) |
| Manufacturer | Allen R C Instruments Inc, Allen R C Co Inc, Kelly Manufacturing Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| AARX | INSIDE DIAMETER | 0.120 INCHES NOMINAL |
| ABQK | END STYLE | FULL LOOP BOTH ENDS |
| AGEK | SPRING FREE LENGTH | 0.536 INCHES NOMINAL |
| APGF | DESIGN TYPE | CLOSED |
| AXLH | COIL HELIX DIRECTION | LEFT-HAND |
| AXLQ | SPRING FREE OUTSIDE DIAMETER | 0.156 INCHES NOMINAL |
| AXMC | HOOK RADIUS | 0.060 INCHES NOMINAL BOTH ENDS |
| CXTJ | COIL TO HOOK INSIDE LENGTH | 0.138 INCHES NOMINAL BOTH ENDS |
| MATT | MATERIAL | STEEL UNS K08500 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | CYLINDRICAL |
| Relevant Components for NSN - 5360-00-321-3498, 5360003213498 | ||||
| 5330-01-539-5629 (5330015395629) | 5305-01-517-2434 (5305015172434) | 5305-00-057-3980 (5305000573980) | 5325-01-082-8190 (5325010828190) | |
| 5305-99-254-4806 (5305992544806) | 5315-01-592-1130 (5315015921130) | 5330-00-561-7707 (5330005617707) | 5330-01-313-3034 (5330013133034) | |
| 5307-01-185-8617 (5307011858617) | 5330-01-648-9167 (5330016489167) | 5365-00-210-1895 (5365002101895) | 5315-01-061-2903 (5315010612903) | |
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