| 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) | 00-321-6470 (003216470) |
| NCB Code | USA (00) |
| Manufacturer | Mack Trucks Inc, Bendix Corp, Finning Uk Ltd, Caterpillar Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AARX | INSIDE DIAMETER | 0.415 INCHES MINIMUM AND 0.443 INCHES MAXIMUM |
| ABPP | OPENING WIDTH | 0.590 INCHES NOMINAL BOTH ENDS |
| ABQK | END STYLE | MACHINE LOOP BOTH ENDS |
| AGEK | SPRING FREE LENGTH | 3.832 INCHES NOMINAL |
| APCN | COIL QUANTITY | 17-1/2 |
| APGF | DESIGN TYPE | CLOSED |
| ASZD | LOAD RATING | 40.00 POUNDS NOMINAL |
| AXLH | COIL HELIX DIRECTION | RIGHT-HAND OR LEFT-HAND |
| AXLP | SPRING DEFLECTION RATE | 66.400 POUNDS PER INCH NOMINAL |
| AXLQ | SPRING FREE OUTSIDE DIAMETER | 0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM |
| AXMC | HOOK RADIUS | 0.190 INCHES NOMINAL BOTH ENDS |
| CSZP | SPRING LENGTH UNDER LOAD | 3.947 INCHES NOMINAL |
| CXTJ | COIL TO HOOK INSIDE LENGTH | 0.810 INCHES NOMINAL BOTH ENDS |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-428,TYPE 1 OR 2 /D/ FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | ENAMEL OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | TT-E-489 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | CYLINDRICAL |
| Relevant Components for NSN - 5360-00-321-6470, 5360003216470 | ||||
| 5330-01-539-5629 (5330015395629) | 5305-01-517-2434 (5305015172434) | 5305-00-057-3980 (5305000573980) | 5325-01-082-8190 (5325010828190) | |
| 5305-99-254-4806 (5305992544806) | 5315-01-592-1130 (5315015921130) | 5330-00-561-7707 (5330005617707) | 5330-01-313-3034 (5330013133034) | |
| 5307-01-185-8617 (5307011858617) | 5330-01-648-9167 (5330016489167) | 5365-00-210-1895 (5365002101895) | 5315-01-061-2903 (5315010612903) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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