AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Gear Spur |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3020 Gear Pulley Sprocket and Transmission Chain |
| National Item Identification Number (NIIN) | 00-174-5577 (001745577) |
| NCB Code | USA (00) |
| Manufacturer | Ambac International Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | SPOKED |
| ABSX | ATTACHMENT METHOD | MOUNTING HOLE |
| AGJS | PITCH DIAMETER | 4.4940 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 216 |
| ANTP | BORE STYLE | W/COUNTERBORE BOTH ENDS |
| CMLK | MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC AXIALLY THROUGH BODY,SECOND END |
| CQLT | MOUNTING HOLE NOMINAL THREAD SIZE | 0.112 INCHES AXIALLY THROUGH BODY,SECOND END |
| CTQY | MOUNTING HOLE TYPE AND QUANTITY | 6 THREADED AXIALLY THROUGH BODY,SECOND END AND 4 THREADED AXIALLY THROUGH BODY,SECOND END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 4.536 INCHES |
| CWFR | NOMINAL OVERALL LENGTH | 0.438 INCHES |
| CWNH | TOOTH FORM | STANDARD |
| CWPP | PRESSURE ANGLE | 14.5000 DEGREES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.063 INCHES SECOND END |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.281 INCHES FIRST END |
| CWRM | FACE NOMINAL WIDTH | 0.094 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 1.562 INCHES BOTH ENDS |
| CWTB | COUNTERBORE NOMINAL DEPTH | 1.875 INCHES BOTH ENDS |
| CWTG | COUNTERBORE NOMINAL DIAMETER | 1.875 INCHES BOTH ENDS |
| CWTR | HUB STYLE DESIGNATOR | 1 STEP SECOND END |
| CWTR | HUB STYLE DESIGNATOR | PLAIN FIRST END |
| CWTX | HUB NOMINAL DIAMETER | 2.188 INCHES FIRST END |
| CWWH | END NOMINAL LENGTH | 0.031 INCHES FIRST END |
| CWWN | END NOMINAL DIAMETER | 2.188 INCHES SECOND END |
| CWWS | FIRST STEP NOMINAL LENGTH | 0.031 INCHES FIRST END |
| CWXB | FIRST STEP NOMINAL DIAMETER | 3.249 INCHES FIRST END |
| CWZN | BOLT HOLE CIRCLE NOMINAL DIAMETER | 2.125 INCHES AXIALLY THROUGH BODY,SECOND END AND 3.625 INCHES AXIALLY THROUGH BODY,SECOND END |
| MATT | MATERIAL | COPPER ALLOY 903 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-16540,GRADE A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | PROTRUDING HUBS |
| Relevant Components for NSN - 3020-00-174-5577, 3020001745577 | ||||
| 3030-01-150-3662 (3030011503662) | 3040-01-606-3617 (3040016063617) | 3020-01-622-0253 (3020016220253) | 3020-00-070-1696 (3020000701696) | |
| 3040-01-311-9985 (3040013119985) | 3020-01-477-1079 (3020014771079) | 3040-01-453-5146 (3040014535146) | 3040-01-455-2325 (3040014552325) | |
| 3040-00-370-0147 (3040003700147) | 3020-01-255-8757 (3020012558757) | 3020-00-359-4488 (3020003594488) | 3030-00-232-2496 (3030002322496) | |
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