| 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, Lee Spring Co Inc, Kirk Habicht 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 | lee spring co inc | spring helical extension | 84830 | RFQ |
| LE-026B-0SS | kirk habicht co inc | spring helical extension | 31089 | 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 | ||||
| 5306-00-660-3288 (5306006603288) | 5340-01-138-8180 (5340011388180) | 5330-01-323-8411 (5330013238411) | 5360-01-204-0090 (5360012040090) | |
| 5307-00-612-4110 (5307006124110) | 5340-01-482-4141 (5340014824141) | 5310-01-062-0524 (5310010620524) | 5340-01-597-2720 (5340015972720) | |
| 5325-99-120-1207 (5325991201207) | 5315-01-696-7898 (5315016967898) | 5340-01-137-3603 (5340011373603) | 5355-01-379-0440 (5355013790440) | |
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