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| Item Name | Gear Worm |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3020 Gear Pulley Sprocket and Transmission Chain |
| National Item Identification Number (NIIN) | 00-554-8540 (005548540) |
| NCB Code | USA (00) |
| Manufacturer | Westinghouse Electric Corp, Northrop Grumman Systems Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABSX | ATTACHMENT METHOD | MOUNTING HOLE |
| AGJS | PITCH DIAMETER | 0.9650 INCHES NOMINAL |
| ALPN | FACE TYPE | STRAIGHT |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| CMLK | MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC TRANSVERSELY THROUGH HUB,SECOND END |
| CQLT | MOUNTING HOLE NOMINAL THREAD SIZE | 0.250 INCHES TRANSVERSELY THROUGH HUB,SECOND END |
| CTQY | MOUNTING HOLE TYPE AND QUANTITY | 1 THREADED TRANSVERSELY THROUGH HUB,SECOND END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 1.0900 INCHES |
| CWPC | THREAD FORM QUANTITY | 1 |
| CWPH | THREAD FORM DIRECTION | RIGHT-HAND |
| CWPP | PRESSURE ANGLE | 14.5000 DEGREES |
| CWPZ | HELIX ANGLE | 3.6123 DEGREES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.3440 INCHES SECOND END |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.719 INCHES FIRST END |
| CWRM | FACE NOMINAL WIDTH | 0.750 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 0.375 INCHES BOTH ENDS |
| CWTR | HUB STYLE DESIGNATOR | 1 GROOVE FIRST END |
| CWTR | HUB STYLE DESIGNATOR | PLAIN SECOND END |
| CWTX | HUB NOMINAL DIAMETER | 0.812 INCHES SECOND END |
| CWTX | HUB NOMINAL DIAMETER | 1.000 INCHES FIRST END |
| CWXY | FIRST GROOVE NOMINAL WIDTH | 0.219 INCHES FIRST END |
| CWYD | FIRST GROOVE NOMINAL DIAMETER | 0.812 INCHES FIRST END |
| CWYL | NOMINAL DISTANCE FROM END TO FIRST GROOVE | 0.500 INCHES FIRST END |
| MATT | MATERIAL | STEEL COMP 1022 OR STEEL COMP 8620 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-20166 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | PROTRUDING HUBS |
| Relevant Components for NSN - 3020-00-554-8540, 3020005548540 | ||||
| 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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