AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Pulley Groove |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3020 Gear Pulley Sprocket and Transmission Chain |
| National Item Identification Number (NIIN) | 00-277-1120 (002771120) |
| NCB Code | USA (00) |
| Manufacturer | Military Standards Corp, Atco Pulley Corp, Ralmark Company, Military Specifications, National Aerospace Standards Com, Aeronautical Standards Group, Arvan Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MS20219A3 | military standards corp | pulley groove | RFQ |
| 20219A3 | atco pulley corp | pulley groove | RFQ |
| 20219A3 | ralmark company | pulley groove | RFQ |
| MIL-DTL-7034/1-A3 | military specifications | pulley groove | RFQ |
| MS20219A3 | military specifications | pulley groove | RFQ |
| MIL-DTL-7034/1 | military specifications | pulley groove | RFQ |
| NAS376-3FP | national aerospace standards com | pulley groove | RFQ |
| AN219A3 | aeronautical standards group | pulley groove | RFQ |
| NAS376-3 | national aerospace standards com | pulley groove | RFQ |
| 20219A3 | arvan inc | pulley groove | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABGA | GROOVE DEPTH | 0.156 INCHES NOMINAL |
| ABGF | GROOVE WIDTH | 0.150 INCHES NOMINAL |
| ABHE | OUTSIDE DIAMETER | 1.755 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM |
| ABXV | BORE DIAMETER | 0.6250 INCHES NOMINAL |
| ADGE | BORE LENGTH | 0.437 INCHES NOMINAL |
| AGWA | GROOVE RADIUS | 0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM |
| ANNQ | MATERIAL AND LOCATION | ALUMINUM ALLOY,QQ-A-268,T4-CANCELED OVERALL |
| AQPL | FACE WIDTH | 0.310 INCHES NOMINAL |
| ARJD | DESIGN FORM | PLAIN |
| ASBP | BORE TYPE | STRAIGHT |
| AWJQ | BEARINGS | INCLUDED |
| AXHQ | GROOVE QUANTITY | 1 |
| AXND | COUNTERBORE FEATURE | NOT INCLUDED |
| BDDY | BEARING QUANTITY | 1 |
| BSGG | KEYING FACILITY | NOT INCLUDED |
| BSYG | SPLIT HUB FEATURE | NOT INCLUDED |
| BXSJ | LIGHTENING HOLE | NOT INCLUDED |
| BXSK | INTEGRAL COOLING VANE | NOT INCLUDED |
| BXSM | GROOVE SHAPE | U |
| BYDS | BORE FEATURE | INCLUDED |
| BYDT | BEARING TYPE | BALL |
| BYZD | HUB END OUTSIDE DIAMETER AND LOCATION | 0.769 INCHES NOMINAL BOTH ENDS |
| BYZF | DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 0.061 INCHES MINIMUM BOTH ENDS AND 0.064 INCHES MAXIMUM BOTH ENDS |
| SFTT | SURFACE TREATMENT | ANODIZE |
| STYL | STYLE DESIGNATOR | PLAIN |
| Relevant Components for NSN - 3020-00-277-1120, 3020002771120 | ||||
| 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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