| 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) | 01-256-0780 (012560780) |
| NCB Code | USA (01) |
| Manufacturer | Harding Safety Usa Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAWY | COUNTERBORE DIAMETER | 3.149 INCHES NOMINAL |
| AAWZ | COUNTERBORE DEPTH | 0.062 INCHES NOMINAL |
| ABGA | GROOVE DEPTH | 1.500 INCHES NOMINAL |
| ABGF | GROOVE WIDTH | 1.000 INCHES NOMINAL |
| ABHE | OUTSIDE DIAMETER | 15.000 INCHES NOMINAL |
| ABKG | BOLT CIRCLE DIAMETER | 8.250 INCHES NOMINAL |
| ABUJ | THREAD SIZE | 3/8-16 |
| ABXV | BORE DIAMETER | 2.937 INCHES NOMINAL |
| ADGE | BORE LENGTH | 2.000 INCHES NOMINAL |
| AGGP | DRILLED HOLE DIAMETER | 1.750 INCHES NOMINAL |
| AGWA | GROOVE RADIUS | 0.500 INCHES NOMINAL |
| AHYF | SECURING HOLE QUANTITY | 8 AND 6 |
| AKYN | FURNISHED ITEMS AND QUANTITY | SIX PLATES;TWO BARS;TWO OILSEALS;ONE GREASE NIPPLE;TWENTY SIX HEX BOLTS;TWENTY SIX SPRING WASHERS |
| ANNQ | MATERIAL AND LOCATION | STEEL OVERALL |
| AQPL | FACE WIDTH | 2.000 INCHES NOMINAL |
| ARJD | DESIGN FORM | WEBBED |
| ASBP | BORE TYPE | STRAIGHT |
| AWJQ | BEARINGS | INCLUDED |
| AXHQ | GROOVE QUANTITY | 2 |
| AXND | COUNTERBORE FEATURE | INCLUDED |
| BDDY | BEARING QUANTITY | 2 |
| BDYS | COUNTERBORE LOCATION | AA END |
| BFYT | HOLE LOCATION | EIGHT ON PULLEY SURFACE;6 ON HUB |
| BSGG | KEYING FACILITY | NOT INCLUDED |
| BSNP | SECURING METHOD | DRILLED HOLE AND THREADED HOLE |
| 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 |
| BXSM | GROOVE SHAPE | U |
| BYDS | BORE FEATURE | INCLUDED |
| BYDT | BEARING TYPE | BEARING ROLLER |
| BYDW | SHAFT SIZE FOR WHICH DESIGNED | 1.500 INCHES NOMINAL |
| BYFF | SECURING LOCATION | PULLEY SURFACE |
| BYZD | HUB END OUTSIDE DIAMETER AND LOCATION | 5.000 INCHES NOMINAL BOTH ENDS |
| STYL | STYLE DESIGNATOR | WEBBED OR SPOKED |
| Relevant Components for NSN - 3020-01-256-0780, 3020012560780 | ||||
| 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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