| 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) | 01-438-7637 (014387637) |
| NCB Code | USA (01) |
| Manufacturer | National Steel And Shipbuilding, Oldenburg Group Incorporated |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABGA | GROOVE DEPTH | 1.6850 INCHES NOMINAL |
| ABGF | GROOVE WIDTH | 1.1250 INCHES NOMINAL |
| ABHE | OUTSIDE DIAMETER | 22.5000 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 3.5000 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 5.5085 INCHES MINIMUM AND 5.5095 INCHES MAXIMUM |
| ADGE | BORE LENGTH | 3.5000 INCHES NOMINAL |
| AGAV | END ITEM IDENTIFICATION | SUPPLY CLASS AOE |
| AGGS | V GROOVE ANGLE IN DEG | 30.0 |
| AGJS | PITCH DIAMETER | 20.2500 INCHES NOMINAL |
| AKYN | FURNISHED ITEMS AND QUANTITY | 1 MOUNTING PLATE;1 TEPERED ROLLER BEARING;2 RUBBER SEAL;1 LUB FITTING;1 PRESSURE RLF FTG;1 PIN;1 RETAINER;3 FLAT HEAD CAP SCREW;3 GUARD;3 HEX NUT;1 LABEL PLATE |
| ANNQ | MATERIAL AND LOCATION | STEEL, MIL-S-16974 OVERALL AND STEEL, AISI 4140 OVERALL |
| AQPL | FACE WIDTH | 2.5000 INCHES NOMINAL |
| ARJD | DESIGN FORM | WEBBED |
| 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 |
| BSNP | SECURING METHOD | RETAINING PLATE AND RETAINING RING |
| BSYG | SPLIT HUB FEATURE | NOT INCLUDED |
| BXSH | WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | NOT OFFSET |
| BXSJ | LIGHTENING HOLE | INCLUDED |
| BXSK | INTEGRAL COOLING VANE | NOT INCLUDED |
| BXSM | GROOVE SHAPE | V |
| BYDS | BORE FEATURE | INCLUDED |
| BYDT | BEARING TYPE | BEARING ROLLER |
| BYDW | SHAFT SIZE FOR WHICH DESIGNED | 3.2490 INCHES MINIMUM AND 3.2500 INCHES MAXIMUM |
| BYDZ | PROTRUDING HUB CHARACTERISTIC | PLAIN |
| BYFF | SECURING LOCATION | BOTH ENDS |
| BYZD | HUB END OUTSIDE DIAMETER AND LOCATION | 7.0000 INCHES NOMINAL BOTH ENDS |
| BYZF | DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 0.5000 INCHES NOMINAL BOTH ENDS |
| STYL | STYLE DESIGNATOR | WEBBED OR SPOKED |
| Relevant Components for NSN - 3020-01-438-7637, 3020014387637 | ||||
| 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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