AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
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| 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 | Atco Pulley Corp, Military Standards Corp, Ralmark Company, National Aerospace Standards Com, Arvan Inc, Aeronautical Standards Group, Military Specifications |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 20219A3 | atco pulley corp | pulley groove | RFQ |
| MS20219A3 | military standards corp | pulley groove | RFQ |
| 20219A3 | ralmark company | pulley groove | RFQ |
| NAS376-3FP | national aerospace standards com | pulley groove | RFQ |
| 20219A3 | arvan inc | pulley groove | RFQ |
| AN219A3 | aeronautical standards group | pulley groove | RFQ |
| NAS376-3 | national aerospace standards com | pulley groove | RFQ |
| MIL-DTL-7034/1 | military specifications | pulley groove | RFQ |
| MIL-DTL-7034/1-A3 | military specifications | pulley groove | RFQ |
| MS20219A3 | military specifications | 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 | ||||
| 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) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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