| 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) | 00-057-8504 (000578504) |
| NCB Code | USA (00) |
| Manufacturer | Unipress Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AARX | INSIDE DIAMETER | 0.581 INCHES NOMINAL |
| ABPP | OPENING WIDTH | 0.375 INCHES NOMINAL BOTH ENDS |
| ABQK | END STYLE | RAISED HOOK BOTH ENDS |
| AGEK | SPRING FREE LENGTH | 5.575 INCHES NOMINAL |
| APCN | COIL QUANTITY | 34 |
| APGF | DESIGN TYPE | OPEN |
| ASZD | LOAD RATING | 15.00 POUNDS NOMINAL |
| AXLH | COIL HELIX DIRECTION | RIGHT-HAND OR LEFT-HAND |
| AXLQ | SPRING FREE OUTSIDE DIAMETER | 0.781 INCHES NOMINAL |
| AXMC | HOOK RADIUS | 0.290 INCHES NOMINAL BOTH ENDS |
| CSZP | SPRING LENGTH UNDER LOAD | 3.750 INCHES NOMINAL |
| CXTJ | COIL TO HOOK INSIDE LENGTH | 0.750 INCHES NOMINAL BOTH ENDS |
| MATT | MATERIAL | STEEL UNS K08500 OVERALL |
| SFTT | SURFACE TREATMENT | ENAMEL OVERALL |
| STYL | STYLE DESIGNATOR | CYLINDRICAL |
| Relevant Components for NSN - 5360-00-057-8504, 5360000578504 | ||||
| 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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