| 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) | 01-144-5843 (011445843) |
| NCB Code | USA (01) |
| Manufacturer | Extel Corp, Barnes Group Inc, Kirk Habicht Co Inc, Lee Spring Co Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 18169 | extel corp | spring helical extension | 52247 | RFQ |
| E0180-026-0880S | barnes group inc | spring helical extension | 77535 | RFQ |
| LE-026B-0SS | kirk habicht co inc | spring helical extension | 31089 | RFQ |
| LE-026B-0SS | lee spring co inc | spring helical extension | 84830 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AARX | INSIDE DIAMETER | 0.136 INCHES NOMINAL |
| ABQK | END STYLE | SHORT TWISTED HOOK BOTH ENDS |
| AGEK | SPRING FREE LENGTH | 0.927 INCHES NOMINAL |
| APGF | DESIGN TYPE | CLOSED |
| ASZD | LOAD RATING | 3.581 POUNDS MAXIMUM |
| AXLH | COIL HELIX DIRECTION | LEFT-HAND |
| AXLP | SPRING DEFLECTION RATE | 6.164 POUNDS PER INCH NOMINAL |
| AXLQ | SPRING FREE OUTSIDE DIAMETER | 0.188 INCHES NOMINAL |
| AXMC | HOOK RADIUS | 0.068 INCHES NOMINAL BOTH ENDS |
| MATT | MATERIAL | STEEL COMP 302 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE OVERALL OR AMS 5688 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STYL | STYLE DESIGNATOR | CYLINDRICAL |
| Components Related to NSN - 5360-01-144-5843, 5360011445843 | ||||
| 5340-01-631-5368 (5340016315368) | 5330-01-297-3590 (5330012973590) | 5360-00-245-2131 (5360002452131) | 5365-01-571-1663 (5365015711663) | |
| 5342-01-255-3551 (5342012553551) | 5330-01-556-4440 (5330015564440) | 5330-01-613-3472 (5330016133472) | 5342-01-259-3873 (5342012593873) | |
| 5340-00-575-1873 (5340005751873) | 5310-00-151-9032 (5310001519032) | 5315-01-622-0550 (5315016220550) | 5340-01-429-0419 (5340014290419) | |
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