AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Sprocketwheel |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3020 Gear Pulley Sprocket and Transmission Chain |
| National Item Identification Number (NIIN) | 00-541-7419 (005417419) |
| NCB Code | USA (00) |
| Manufacturer | Martin Sprocket And Gear Inc, Diamond Chain Co |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 25B9 1-4BORE | martin sprocket and gear inc | sprocketwheel | RFQ |
| 25B9 1-4B0RE | diamond chain co | sprocketwheel | RFQ |
| 89B9 | diamond chain co | sprocketwheel | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHE | OUTSIDE DIAMETER | 0.840 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 0.500 INCHES NOMINAL |
| ABUJ | THREAD SIZE | 6-32 |
| ABXV | BORE DIAMETER | 0.250 INCHES NOMINAL |
| ADGE | BORE LENGTH | 0.500 INCHES NOMINAL |
| AGJS | PITCH DIAMETER | 0.730 INCHES NOMINAL |
| AHYF | SECURING HOLE QUANTITY | 1 |
| ALNC | HUB OUTSIDE DIAMETER | 0.438 INCHES NOMINAL BOTH ENDS |
| AQPL | FACE WIDTH | 0.110 INCHES NOMINAL |
| ARJD | DESIGN FORM | PLAIN |
| ASBP | BORE TYPE | STRAIGHT |
| ASYR | DISTANCE FROM HUB END TO FLANGE END | 0.390 INCHES NOMINAL BOTH ENDS |
| BFYT | HOLE LOCATION | ONE LOCATED ON SIDE OF HUB |
| BSNP | SECURING METHOD | THREADED HOLE |
| BYDZ | PROTRUDING HUB CHARACTERISTIC | PLAIN |
| BYFF | SECURING LOCATION | AA END |
| BYFL | TEETH ROW QUANTITY | 1 |
| BYFN | TEETH QUANTITY PER ROW | 9 |
| BYFP | ASA STANDARD CHAIN NUMBER | 25 |
| BYFQ | HARDNESS RATING TEST METHOD | NOT RATED |
| BYGF | TOOTH PITCH | 0.250 INCHES NOMINAL |
| MATT | MATERIAL | STEEL |
| SFTT | SURFACE TREATMENT | CADMIUM |
| STYL | STYLE DESIGNATOR | PLAIN |
| Relevant Components for NSN - 3020-00-541-7419, 3020005417419 | ||||
| 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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