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) | 00-852-5253 (008525253) |
| NCB Code | USA (00) |
| Manufacturer | Meritor Heavy Vehicle Braking System, Axletech International Llc, Cnh Industrial America Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AXLH | COIL HELIX DIRECTION | RIGHT-HAND OR LEFT-HAND |
| CSZP | SPRING LENGTH UNDER LOAD | 8.750 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 1065 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FED STD NO. 66,AISI OR SAE FED STD SINGLE MATERIAL RESPONSE OVERALL |
| ABPP | OPENING WIDTH | 2.128 INCHES MINIMUM BOTH ENDS AND 2.218 INCHES MAXIMUM BOTH ENDS |
| ABQK | END STYLE | RAISED HOOK BOTH ENDS |
| AGEK | SPRING FREE LENGTH | 8.520 INCHES NOMINAL |
| APCN | COIL QUANTITY | 24 |
| APGF | DESIGN TYPE | CLOSED |
| ASZD | LOAD RATING | 60.000 POUNDS MINIMUM AND 70.000 POUNDS MAXIMUM |
| AXLQ | SPRING FREE OUTSIDE DIAMETER | 0.750 INCHES NOMINAL |
| AXMC | HOOK RADIUS | 0.250 INCHES NOMINAL BOTH ENDS |
| SFTT | SURFACE TREATMENT | ENAMEL OVERALL |
| STYL | STYLE DESIGNATOR | CYLINDRICAL |
| Relevant Components for NSN - 5360-00-852-5253, 5360008525253 | ||||
| 5365-00-981-3580 (5365009813580) | 5306-01-663-0372 (5306016630372) | 5330-00-259-1415 (5330002591415) | 5340-00-140-8006 (5340001408006) | |
| 5310-01-055-6080 (5310010556080) | 5340-01-571-9066 (5340015719066) | 5360-01-528-5575 (5360015285575) | 5340-01-254-4525 (5340012544525) | |
| 5310-01-456-0920 (5310014560920) | 5331-01-311-6975 (5331013116975) | 5330-00-147-6676 (5330001476676) | 5365-01-201-0770 (5365012010770) | |
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