| 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) | 00-017-9421 (000179421) |
| NCB Code | USA (00) |
| Manufacturer | Flight Logistics Inc, Northrop Grumman Systems Corporation, Northrop Grumman Technical Services Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AARX | INSIDE DIAMETER | 0.814 INCHES NOMINAL |
| ABQK | END STYLE | EYE LOOP BOTH ENDS |
| AGEK | SPRING FREE LENGTH | 2.046 INCHES NOMINAL |
| APCN | COIL QUANTITY | 8 |
| APGF | DESIGN TYPE | CLOSED |
| ASZD | LOAD RATING | 15.00 POUNDS MINIMUM AND 21.00 POUNDS MAXIMUM |
| AXLH | COIL HELIX DIRECTION | RIGHT-HAND OR LEFT-HAND |
| AXLP | SPRING DEFLECTION RATE | 16.000 POUNDS PER INCH NOMINAL |
| AXLQ | SPRING FREE OUTSIDE DIAMETER | 1.000 INCHES NOMINAL |
| AXMC | HOOK RADIUS | 0.230 INCHES NOMINAL BOTH ENDS |
| CSZP | SPRING LENGTH UNDER LOAD | 2.900 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 631 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5673,COND C,TYPE 17-7PH ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | CYLINDRICAL |
| Relevant Components for NSN - 5360-00-017-9421, 5360000179421 | ||||
| 5325-00-489-4951 (5325004894951) | 5305-01-688-2332 (5305016882332) | 5310-01-270-2593 (5310012702593) | 5360-01-362-9775 (5360013629775) | |
| 5305-01-574-2082 (5305015742082) | 5330-00-875-6402 (5330008756402) | 5310-01-166-6682 (5310011666682) | 5325-01-330-8489 (5325013308489) | |
| 5310-01-519-7106 (5310015197106) | 5310-12-130-8939 (5310121308939) | 5331-01-513-1941 (5331015131941) | 5310-01-360-7550 (5310013607550) | |
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