| Item Name | Pulley Flat |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3020 Gear Pulley Sprocket and Transmission Chain |
| National Item Identification Number (NIIN) | 00-504-7449 (005047449) |
| NCB Code | USA (00) |
| Manufacturer | Keco Industries Inc, Drs Environmental Systems Inc, Emerson Electric Gmbh And Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHE | OUTSIDE DIAMETER | 4.000 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 2.563 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 4.750 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 1.000 INCHES NOMINAL |
| ADGE | BORE LENGTH | 2.500 INCHES NOMINAL |
| AGFF | FLANGE WIDTH | 0.188 INCHES NOMINAL |
| AHSF | FLANGE QUANTITY | 2 |
| ANNQ | MATERIAL AND LOCATION | STEEL OVERALL |
| AQPL | FACE WIDTH | 2.438 INCHES NOMINAL |
| ARJD | DESIGN FORM | WEBBED |
| ASBP | BORE TYPE | STRAIGHT |
| AWJQ | BEARINGS | INCLUDED |
| AXND | COUNTERBORE FEATURE | NOT INCLUDED |
| BDDY | BEARING QUANTITY | 2 |
| BSGG | KEYING FACILITY | NOT INCLUDED |
| BSYG | SPLIT HUB FEATURE | NOT INCLUDED |
| BXSH | WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | NOT OFFSET |
| BXSJ | LIGHTENING HOLE | NOT INCLUDED |
| BXSK | INTEGRAL COOLING VANE | NOT INCLUDED |
| BXSL | CROWN FACE | NOT INCLUDED |
| BYDP | RIM TYPE | SOLID |
| BYDR | FLANGE LOCATION | OUTSIDE |
| BYDS | BORE FEATURE | INCLUDED |
| BYDT | BEARING TYPE | NEEDLE ROLLER |
| BYZD | HUB END OUTSIDE DIAMETER AND LOCATION | 1.875 INCHES NOMINAL BOTH ENDS |
| BYZF | DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 0.125 INCHES NOMINAL AA END AND 0.062 INCHES NOMINAL BB END |
| STYL | STYLE DESIGNATOR | WEBBED OR SPOKED |
| Relevant Components for NSN - 3020-00-504-7449, 3020005047449 | ||||
| 3040-00-037-4479 (3040000374479) | 3010-01-283-8383 (3010012838383) | 3040-01-167-7076 (3040011677076) | 3040-01-607-0785 (3040016070785) | |
| 3020-00-173-7380 (3020001737380) | 3040-01-271-7503 (3040012717503) | 3040-00-690-2219 (3040006902219) | 3040-01-031-7475 (3040010317475) | |
| 3020-01-289-1372 (3020012891372) | 3040-01-171-1542 (3040011711542) | 3030-01-367-5013 (3030013675013) | 3020-01-281-7479 (3020012817479) | |
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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