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 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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