| 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 |
| Components Related to NSN - 3020-01-285-9142, 3020012859142 | ||||
| 3040-00-983-3112 (3040009833112) | 3040-01-338-2542 (3040013382542) | 3020-01-506-1385 (3020015061385) | 3020-01-515-9949 (3020015159949) | |
| 3040-01-357-9197 (3040013579197) | 3020-01-033-7832 (3020010337832) | 3020-01-178-9947 (3020011789947) | 3040-01-266-1489 (3040012661489) | |
| 3040-01-089-0558 (3040010890558) | 3040-00-690-2897 (3040006902897) | 3040-01-318-6296 (3040013186296) | 3040-01-302-7373 (3040013027373) | |
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