| 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) | 00-473-1840 (004731840) |
| NCB Code | USA (00) |
| Manufacturer | Portsmouth Naval Shipyard Supply Dept, Cramp Shipbuilding And Drydock Co |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 30317PC17 | portsmouth naval shipyard supply dept | spring helical extension | 81316 | RFQ |
| 547-59E75PC17 | cramp shipbuilding and drydock co | spring helical extension | 14921 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AARX | INSIDE DIAMETER | 0.312 INCHES NOMINAL |
| ABQK | END STYLE | MACHINE LOOP BOTH ENDS |
| AGEK | SPRING FREE LENGTH | 3.188 INCHES NOMINAL |
| APCN | COIL QUANTITY | 30 |
| APGF | DESIGN TYPE | OPEN |
| AXLH | COIL HELIX DIRECTION | LEFT-HAND |
| AXLQ | SPRING FREE OUTSIDE DIAMETER | 0.375 INCHES NOMINAL |
| AXMC | HOOK RADIUS | 0.156 INCHES NOMINAL BOTH ENDS |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | JAN-S-1160,GRADE 1,TYPE B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | CYLINDRICAL |
| Relevant Components for NSN - 5360-00-473-1840, 5360004731840 | ||||
| 5330-01-701-4089 (5330017014089) | 5305-01-213-9722 (5305012139722) | 5320-01-460-5665 (5320014605665) | 5306-01-475-3608 (5306014753608) | |
| 5306-01-626-6230 (5306016266230) | 5306-00-292-8749 (5306002928749) | 5342-01-673-3505 (5342016733505) | 5330-01-283-1784 (5330012831784) | |
| 5365-01-228-1431 (5365012281431) | 5365-00-466-3750 (5365004663750) | 5310-00-595-7616 (5310005957616) | 5305-00-550-0140 (5305005500140) | |
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