AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| 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) | 00-321-6471 (003216471) |
| NCB Code | USA (00) |
| Manufacturer | Mack Trucks Inc, Bendix Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AARX | INSIDE DIAMETER | 0.570 INCHES NOMINAL |
| ABQK | END STYLE | OFSET HOOK FIRST END |
| ABQK | END STYLE | RAISED HOOK SECOND END |
| AGEK | SPRING FREE LENGTH | 2.020 INCHES NOMINAL |
| APCN | COIL QUANTITY | 6-3/4 |
| APGF | DESIGN TYPE | CLOSED |
| ASZD | LOAD RATING | 50.00 POUNDS NOMINAL |
| AXLH | COIL HELIX DIRECTION | RIGHT-HAND OR LEFT-HAND |
| AXLP | SPRING DEFLECTION RATE | 135.400 POUNDS PER INCH NOMINAL |
| AXLQ | SPRING FREE OUTSIDE DIAMETER | 0.810 INCHES NOMINAL |
| AXMC | HOOK RADIUS | 0.120 INCHES NOMINAL FIRST END |
| AXMC | HOOK RADIUS | 0.250 INCHES NOMINAL SECOND END |
| CSZP | SPRING LENGTH UNDER LOAD | 1.560 INCHES NOMINAL |
| CXTJ | COIL TO HOOK INSIDE LENGTH | 0.250 INCHES NOMINAL FIRST END |
| CXTJ | COIL TO HOOK INSIDE LENGTH | 0.270 INCHES NOMINAL SECOND END |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-428 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | ENAMEL OVERALL |
| STYL | STYLE DESIGNATOR | CYLINDRICAL |
| Relevant Components for NSN - 5360-00-321-6471, 5360003216471 | ||||
| 5320-01-311-2514 (5320013112514) | 5365-01-606-7886 (5365016067886) | 5310-01-687-5946 (5310016875946) | 5331-01-345-2325 (5331013452325) | |
| 5331-01-137-6352 (5331011376352) | 5340-01-677-5187 (5340016775187) | 5310-01-215-1121 (5310012151121) | 5330-01-558-9303 (5330015589303) | |
| 5320-01-007-1870 (5320010071870) | 5365-00-542-0989 (5365005420989) | 5305-01-279-0723 (5305012790723) | 5315-01-181-8363 (5315011818363) | |
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