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| Item Name | Gear Sector 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) | 00-253-7197 (002537197) |
| NCB Code | USA (00) |
| Manufacturer | Astronautics Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABSX | ATTACHMENT METHOD | MOUNTING HOLE |
| AJLA | TEETH QUANTITY | 50 |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| BDJT | PITCH RADIUS | 1.2500 INCHES NOMINAL |
| CTQY | MOUNTING HOLE TYPE AND QUANTITY | 8 PLAIN AXIALLY THROUGH BODY,FIRST END |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWRM | FACE NOMINAL WIDTH | 0.062 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 0.369 INCHES BOTH ENDS |
| CWWF | NOMINAL OUTSIDE RADIUS | 1.258 INCHES |
| CWXD | ARC NOMINAL LENGTH | 1.300 INCHES |
| CWZK | MOUNTING HOLE NOMINAL DIAMETER | 0.098 INCHES AXIALLY THROUGH BODY,FIRST END |
| CWZN | BOLT HOLE CIRCLE NOMINAL DIAMETER | 1.188 INCHES AXIALLY THROUGH BODY,FIRST END |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720,COMP 303,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | HUBLESS |
| Relevant Components for NSN - 3020-00-253-7197, 3020002537197 | ||||
| 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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