AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Sprocket Wheel |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3020 Gear Pulley Sprocket and Transmission Chain |
| National Item Identification Number (NIIN) | 00-204-2121 (002042121) |
| NCB Code | USA (00) |
| Manufacturer | Ecolaire Inc, Vme Americas Inc, Dana Off Highway Products Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAWY | COUNTERBORE DIAMETER | 6.000 INCHES MINIMUM AND 6.001 INCHES MAXIMUM |
| AAWZ | COUNTERBORE DEPTH | 0.250 INCHES NOMINAL |
| ABFF | FURNISHED ITEMS | COUNTERBORE AND LIGHTENING HOLE |
| ABHE | OUTSIDE DIAMETER | 27.330 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 3.000 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 1.750 INCHES NOMINAL |
| ADGE | BORE LENGTH | 1.250 INCHES NOMINAL |
| AGJS | PITCH DIAMETER | 26.744 INCHES NOMINAL |
| AHYF | SECURING HOLE QUANTITY | 6 |
| ALNC | HUB OUTSIDE DIAMETER | 5.500 INCHES NOMINAL AA END |
| AQPL | FACE WIDTH | 1.717 INCHES NOMINAL |
| ARJD | DESIGN FORM | WEBBED |
| ASBP | BORE TYPE | STRAIGHT |
| BDYS | COUNTERBORE LOCATION | BB END |
| BFYT | HOLE LOCATION | LOCATED IN LINE W/LIGHTENING HOLES |
| BSNP | SECURING METHOD | DRILLED HOLE |
| BYDZ | PROTRUDING HUB CHARACTERISTIC | PLAIN |
| BYFL | TEETH ROW QUANTITY | 2 |
| BYFM | CENTER TO CENTER DISTANCE BETWEEN TEETH ROWS | 1.180 INCHES NOMINAL |
| BYFN | TEETH QUANTITY PER ROW | 84 |
| BYFP | ASA STANDARD CHAIN NUMBER | 80-2 |
| BYFQ | HARDNESS RATING TEST METHOD | NOT RATED |
| BYGF | TOOTH PITCH | 1.000 INCHES NOMINAL |
| MATT | MATERIAL | IRON CAST |
| Relevant Components for NSN - 3020-00-204-2121, 3020002042121 | ||||
| 3030-01-150-3662 (3030011503662) | 3040-01-606-3617 (3040016063617) | 3020-01-622-0253 (3020016220253) | 3020-00-070-1696 (3020000701696) | |
| 3040-01-311-9985 (3040013119985) | 3020-01-477-1079 (3020014771079) | 3040-01-453-5146 (3040014535146) | 3040-01-455-2325 (3040014552325) | |
| 3040-00-370-0147 (3040003700147) | 3020-01-255-8757 (3020012558757) | 3020-00-359-4488 (3020003594488) | 3030-00-232-2496 (3030002322496) | |
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