| 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) | 00-871-3864 (008713864) |
| NCB Code | USA (00) |
| Manufacturer | Barnes Group Inc, Lee Spring Co Inc, Sae International, Military Standards Corp |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| E0240-031-2250 | barnes group inc | spring helical extension | 70472 | RFQ |
| E0240-031-2250M | barnes group inc | spring helical extension | 77535 | RFQ |
| LE-031C-8MW | lee spring co inc | spring helical extension | 84830 | RFQ |
| MS24586-C56 | sae international | spring helical extension | 0u583 | RFQ |
| MS24586C56 | military standards corp | spring helical extension | 96906 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AARX | INSIDE DIAMETER | 0.178 INCHES NOMINAL |
| ABQK | END STYLE | SHORT TWISTED HOOK BOTH ENDS |
| AGEK | SPRING FREE LENGTH | 2.312 INCHES NOMINAL |
| AXLH | COIL HELIX DIRECTION | RIGHT-HAND OR LEFT-HAND |
| AXLP | SPRING DEFLECTION RATE | 2.090 POUNDS PER INCH NOMINAL |
| AXMC | HOOK RADIUS | 0.089 INCHES NOMINAL BOTH ENDS |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-423,FORM 1,COND B FED SPEC ALL MATERIAL RESPONSES OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| APCN | COIL QUANTITY | 60 |
| APGF | DESIGN TYPE | CLOSED |
| ASZD | LOAD RATING | 4.400 POUNDS NOMINAL |
| AXLQ | SPRING FREE OUTSIDE DIAMETER | 0.240 INCHES NOMINAL |
| CSZP | SPRING LENGTH UNDER LOAD | 4.160 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 302 OVERALL OR STEEL COMP 304 OVERALL |
| STYL | STYLE DESIGNATOR | CYLINDRICAL |
| Relevant Components for NSN - 5360-00-871-3864, 5360008713864 | ||||
| 5325-01-474-4172 (5325014744172) | 5305-00-005-0050 (5305000050050) | 5305-01-081-2450 (5305010812450) | 5360-00-248-8834 (5360002488834) | |
| 5340-01-369-8169 (5340013698169) | 5305-00-899-3578 (5305008993578) | 5330-00-593-8695 (5330005938695) | 5305-01-514-9340 (5305015149340) | |
| 5340-01-702-5703 (5340017025703) | 5360-00-920-9595 (5360009209595) | 5340-01-691-6457 (5340016916457) | 5306-01-269-7435 (5306012697435) | |
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