| 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 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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