| 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) | 01-019-3381 (010193381) |
| NCB Code | USA (01) |
| Manufacturer | Metcalf Machine Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABPP | OPENING WIDTH | 0.406 INCHES NOMINAL BOTH ENDS |
| ABQK | END STYLE | OFFSET HOOK,SIDE BOTH ENDS |
| ADWB | DISTANCE BETWEEN ENDS | 1.437 INCHES NOMINAL |
| AGEK | SPRING FREE LENGTH | 8.324 INCHES NOMINAL |
| APCN | COIL QUANTITY | 20 |
| APGF | DESIGN TYPE | CLOSED |
| ASZD | LOAD RATING | 67.00 POUNDS MINIMUM AND 83.00 POUNDS MAXIMUM |
| AXLH | COIL HELIX DIRECTION | RIGHT-HAND OR LEFT-HAND |
| AXLQ | SPRING FREE OUTSIDE DIAMETER | 1.125 INCHES NOMINAL |
| AXMC | HOOK RADIUS | 0.203 INCHES NOMINAL BOTH ENDS |
| CSZP | SPRING LENGTH UNDER LOAD | 8.875 INCHES NOMINAL |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | DOUBLE CYLINDRICAL |
| Relevant Components for NSN - 5360-01-019-3381, 5360010193381 | ||||
| 5365-01-408-0738 (5365014080738) | 5360-01-398-4043 (5360013984043) | 5340-01-691-6542 (5340016916542) | 5320-01-436-2383 (5320014362383) | |
| 5306-01-314-9902 (5306013149902) | 5360-01-309-0721 (5360013090721) | 5340-01-572-7694 (5340015727694) | 5330-01-590-0378 (5330015900378) | |
| 5305-00-885-9913 (5305008859913) | 5305-01-107-6588 (5305011076588) | 5360-00-419-0733 (5360004190733) | 5365-01-088-3799 (5365010883799) | |
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