AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Gear Helical |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3020 Gear Pulley Sprocket and Transmission Chain |
| National Item Identification Number (NIIN) | 00-247-8990 (002478990) |
| NCB Code | USA (00) |
| Manufacturer | Western Machinery Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | PLAIN,SOLID |
| AGJS | PITCH DIAMETER | 5.2500 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 21 |
| ANTP | BORE STYLE | FLATTED SIDES BOTH ENDS |
| CQFM | HARDNESS RATING | 22.0 ROCKWELL C NOMINAL TEETH |
| CWCD | NOMINAL OUTSIDE DIAMETER | 5.8500 INCHES |
| CWMW | TEETH TYPE | DOUBLE HELIX,SOLID |
| CWNH | TOOTH FORM | STANDARD |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWPZ | HELIX ANGLE | 30.0000 DEGREES |
| CWRM | FACE NOMINAL WIDTH | 4.000 INCHES |
| CWSN | KEYWAY NOMINAL WIDTH | 0.750 INCHES BOTH ENDS |
| CWSR | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.687 INCHES BOTH ENDS |
| CWSW | TAPER MAJOR NOMINAL DIAMETER | 2.875 INCHES FIRST END |
| CWTB | COUNTERBORE NOMINAL DEPTH | 0.062 INCHES BOTH ENDS |
| CWTG | COUNTERBORE NOMINAL DIAMETER | 3.5000 INCHES FIRST END |
| FEAT | SPECIAL FEATURES | END W/LARGEST BORE DIA IS FIRST END |
| MATT | MATERIAL | STEEL COMP 1045 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL AND AISI/SAE 1045 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | HUBLESS |
| Relevant Components for NSN - 3020-00-247-8990, 3020002478990 | ||||
| 3040-99-750-9441 (3040997509441) | 3040-01-309-9880 (3040013099880) | 3020-00-056-1680 (3020000561680) | 3040-01-592-1774 (3040015921774) | |
| 3040-01-340-6053 (3040013406053) | 3040-01-424-7637 (3040014247637) | 3020-00-762-8849 (3020007628849) | 3040-01-411-4890 (3040014114890) | |
| 3020-01-163-7221 (3020011637221) | 3030-00-041-2888 (3030000412888) | 3030-00-421-7151 (3030004217151) | 3040-01-256-3453 (3040012563453) | |
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