AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
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| Item Name | Gear Bevel |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3020 Gear Pulley Sprocket and Transmission Chain |
| National Item Identification Number (NIIN) | 00-657-5972 (006575972) |
| NCB Code | USA (00) |
| Manufacturer | Napco International Llc, Humphrey Products Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | WEBBED,OFFSET,SOLID |
| ABSX | ATTACHMENT METHOD | MOUNTING HOLE |
| AGJS | PITCH DIAMETER | 4.0000 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 20 |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM TEETH |
| CTQY | MOUNTING HOLE TYPE AND QUANTITY | 3 PLAIN AXIALLY THROUGH BODY,FIRST END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 4.283 INCHES |
| CWFR | NOMINAL OVERALL LENGTH | 3.625 INCHES |
| CWMW | TEETH TYPE | STRAIGHT |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWQD | PITCH ANGLE | 45.0000 DEGREES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 2.750 INCHES SECOND END |
| CWRM | FACE NOMINAL WIDTH | 0.850 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 1.250 INCHES BOTH ENDS |
| CWTR | HUB STYLE DESIGNATOR | EXTERNALLY SPLINED,INVOLUTE SPLINES SECOND END |
| CWZK | MOUNTING HOLE NOMINAL DIAMETER | 0.188 INCHES AXIALLY THROUGH BODY,FIRST END |
| CWZN | BOLT HOLE CIRCLE NOMINAL DIAMETER | 2.000 INCHES AXIALLY THROUGH BODY,FIRST END |
| CXRX | HUB SPLINE QUANTITY | 33 SECOND END |
| CXRZ | HUB SPLINE PITCH DIAMETER | 1.6500 INCHES NOMINAL SECOND END |
| MATT | MATERIAL | STEEL COMP 8620 OR STEEL COMP 4620H OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624,COND N FED SPEC ALL MATERIAL RESPONSES OVERALL |
| SFTT | SURFACE TREATMENT | COPPER TEETH |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-14550,CLASS 3 OR 4 MIL SPEC SINGLE TREATMENT RESPONSE TEETH |
| STYL | STYLE DESIGNATOR | PERIPHERAL FACE,BACK HUB PROTRUDING |
| Relevant Components for NSN - 3020-00-657-5972, 3020006575972 | ||||
| 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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