| 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) | 00-890-2257 (008902257) |
| NCB Code | USA (00) |
| Manufacturer | Raytheon Technical Services Company, L 3 Communications Corporation, Roller Bearing Company Of America |
| MRC | Criteria | Characteristic |
|---|---|---|
| CMLM | Mounting Hole Thread Quantity Per Inch | 56 TRANSVERSELY THROUGH HUB, FIRST END |
| STDC | Surface Treatment Document And Classification | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CWFR | Nominal Overall Length | 0.312 INCHES |
| CWPP | Pressure Angle | 20.0000 DEGREES |
| SFTT | Surface Treatment | ANODIZE OVERALL |
| CWTX | Hub Nominal Diameter | 0.312 INCHES FIRST END |
| CWRS | Bore Nominal Diameter | 0.125 INCHES BOTH ENDS |
| ABSX | Attachment Method | MOUNTING HOLE |
| FEAT | Special Features | UNTHREADED HOLE 90 DEG FROM THREADED HOLE |
| CWCD | Nominal Outside Diameter | 1.905 INCHES |
| AJLA | Teeth Quantity | 120 |
| ANTP | Bore Style | PLAIN BOTH ENDS |
| CWRM | Face Nominal Width | 0.125 INCHES |
| CWZK | Mounting Hole Nominal Diameter | 0.029 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| MATT | Material | ALUMINUM ALLOY 2024 OVERALL |
| CQLT | Mounting Hole Nominal Thread Size | 0.086 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| CWNH | Tooth Form | STANDARD |
| CWTR | Hub Style Designator | PINNED FIRST END |
| MRC | Decoded Requirement | Clear Text Reply |
| CMLK | Mounting Hole Thread Series Designator | UNC TRANSVERSELY THROUGH HUB, FIRST END |
| MDCL | Material Document And Classification | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| CTQY | Mounting Hole Type And Quantity | 1 PLAIN TRANSVERSELY THROUGH HUB, FIRST END AND 1 THREADED TRANSVERSELY THROUGH HUB, FIRST END |
| CWQL | Nominal Distance Between Body Face And Protruding Hub End | 0.187 INCHES FIRST END |
| CWWK | Precision Classification | QUALITY NUMBER 12 |
| AAQL | Body Style | PLAIN, SOLID |
| AGJS | Pitch Diameter | 1.8743 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM |
| STYL | Style Designator | PROTRUDING HUB |
| Relevant Components for NSN - 3020-00-890-2257, 3020008902257 | ||||
| 3040-00-037-4479 (3040000374479) | 3010-01-283-8383 (3010012838383) | 3040-01-167-7076 (3040011677076) | 3040-01-607-0785 (3040016070785) | |
| 3020-00-173-7380 (3020001737380) | 3040-01-271-7503 (3040012717503) | 3040-00-690-2219 (3040006902219) | 3040-01-031-7475 (3040010317475) | |
| 3020-01-289-1372 (3020012891372) | 3040-01-171-1542 (3040011711542) | 3030-01-367-5013 (3030013675013) | 3020-01-281-7479 (3020012817479) | |
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