| 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) | 01-285-9142 (012859142) |
| NCB Code | USA (01) |
| Manufacturer | Boeing Company The, Blanchat Machine Company Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AGAV | END ITEM IDENTIFICATION | FORWARD FUSELAGE B-1B ACFT |
| AJLA | TEETH QUANTITY | 28 |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| BDJT | PITCH RADIUS | 5.0000 INCHES NOMINAL |
| CWNH | TOOTH FORM | STANDARD |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.472 INCHES SECOND END |
| CWRM | FACE NOMINAL WIDTH | 0.500 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 0.375 INCHES BOTH ENDS |
| CWWF | NOMINAL OUTSIDE RADIUS | 5.083 INCHES |
| CWWK | PRECISION CLASSIFICATION | QUALITY NUMBER 8 |
| MATT | MATERIAL | STEEL COMP E9310 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| Relevant Components for NSN - 3020-01-285-9142, 3020012859142 | ||||
| 3040-00-542-0494 (3040005420494) | 3020-00-622-2406 (3020006222406) | 3040-01-425-4898 (3040014254898) | 3010-01-302-9202 (3010013029202) | |
| 3040-00-709-1500 (3040007091500) | 3020-00-060-2503 (3020000602503) | 3040-00-115-5699 (3040001155699) | 3040-01-251-9385 (3040012519385) | |
| 3040-00-365-5573 (3040003655573) | 3040-01-627-0623 (3040016270623) | 3040-01-424-7581 (3040014247581) | 3040-01-476-8784 (3040014768784) | |
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