| 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) | 01-372-3824 (013723824) |
| NCB Code | USA (01) |
| Manufacturer | Steeltech Mfg Inc, Oshkosh Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AXLH | COIL HELIX DIRECTION | RIGHT-HAND |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SPRING-MARKER |
| ACVU | STOCK DIAMETER | 0.190 INCHES NOMINAL |
| AARX | INSIDE DIAMETER | 0.870 INCHES NOMINAL |
| ABQK | END STYLE | REDUCED HOOK BOTH ENDS |
| AGAV | END ITEM IDENTIFICATION | 3990-01-307-7676 PLS FLATRACK |
| AGEK | SPRING FREE LENGTH | 1.500 INCHES NOMINAL |
| AXLQ | SPRING FREE OUTSIDE DIAMETER | 1.250 INCHES NOMINAL |
| AXMC | HOOK RADIUS | 0.325 INCHES MINIMUM FIRST END AND 0.350 INCHES MAXIMUM FIRST END |
| AXMH | END ANGULAR RELATIONSHIP | ENDS ANGLED ONE TO OTHER |
| CXTJ | COIL TO HOOK INSIDE LENGTH | 7.310 INCHES NOMINAL SECOND END |
| FEAT | SPECIAL FEATURES | SMALLER SPRING END IS AIMED AWAY FROM THE SIDE OF THE SPRING RATHER THAN AWAY FROM THE END OF THE SPRING |
| AXMC | HOOK RADIUS | 0.325 INCHES NOMINAL SECOND END |
| CXTJ | COIL TO HOOK INSIDE LENGTH | 1.810 INCHES NOMINAL FIRST END |
| STYL | STYLE DESIGNATOR | CYLINDRICAL |
| Relevant Components for NSN - 5360-01-372-3824, 5360013723824 | ||||
| 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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