| 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) | 00-851-6672 (008516672) |
| NCB Code | USA (00) |
| Manufacturer | Barnes Group Inc, Carrier Corporation, Elliott Company |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 44B3721-329 | barnes group inc | spring helical extension | 77535 | RFQ |
| 44B3721-329 | carrier corporation | spring helical extension | 10855 | RFQ |
| 44B3721-329 | elliott company | spring helical extension | 72957 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ASZD | LOAD RATING | 125.00 POUNDS NOMINAL |
| AXMC | HOOK RADIUS | 0.781 INCHES NOMINAL BOTH ENDS |
| CSZP | SPRING LENGTH UNDER LOAD | 7.875 INCHES NOMINAL |
| ABPP | OPENING WIDTH | 0.750 INCHES NOMINAL BOTH ENDS |
| ABQK | END STYLE | MACHINED HALF LOOP BOTH ENDS |
| AGEK | SPRING FREE LENGTH | 7.075 INCHES NOMINAL |
| APCN | COIL QUANTITY | 10 |
| APGF | DESIGN TYPE | CLOSED |
| AXLH | COIL HELIX DIRECTION | RIGHT-HAND OR LEFT-HAND |
| AXLQ | SPRING FREE OUTSIDE DIAMETER | 2.000 INCHES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STYL | STYLE DESIGNATOR | CYLINDRICAL |
| Relevant Components for NSN - 5360-00-851-6672, 5360008516672 | ||||
| 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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