| 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) | 00-204-4729 (002044729) |
| NCB Code | USA (00) |
| Manufacturer | Bell And Howell Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAWY | COUNTERBORE DIAMETER | 1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM |
| AAWZ | COUNTERBORE DEPTH | 0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM |
| ABGA | GROOVE DEPTH | 0.1515 INCHES NOMINAL |
| ABGF | GROOVE WIDTH | 0.168 INCHES NOMINAL |
| ABHE | OUTSIDE DIAMETER | 1.990 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 1.228 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.312 INCHES MINIMUM AND 0.317 INCHES MAXIMUM |
| ADGE | BORE LENGTH | 1.228 INCHES NOMINAL |
| AGGS | V GROOVE ANGLE IN DEG | 13.0 |
| AGJS | PITCH DIAMETER | 1.750 INCHES MINIMUM AND 1.990 INCHES MAXIMUM |
| ANNQ | MATERIAL AND LOCATION | STEEL,MIL-S-7720,COMP 303S OVERALL |
| AQPL | FACE WIDTH | 0.322 INCHES NOMINAL |
| ARJD | DESIGN FORM | WEBBED |
| ASBP | BORE TYPE | STRAIGHT |
| AWJQ | BEARINGS | NOT INCLUDED |
| AXHQ | GROOVE QUANTITY | 1 |
| AXND | COUNTERBORE FEATURE | INCLUDED |
| BDYS | COUNTERBORE LOCATION | BB END |
| BSGG | KEYING FACILITY | NOT INCLUDED |
| BSNP | SECURING METHOD | BOLTED THROUGH BORE |
| BSYG | SPLIT HUB FEATURE | NOT INCLUDED |
| BXSH | WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | OFFSET |
| BXSJ | LIGHTENING HOLE | NOT INCLUDED |
| BXSK | INTEGRAL COOLING VANE | NOT INCLUDED |
| BXSM | GROOVE SHAPE | V |
| BYDS | BORE FEATURE | INCLUDED |
| BYDZ | PROTRUDING HUB CHARACTERISTIC | GROOVED |
| BYZD | HUB END OUTSIDE DIAMETER AND LOCATION | 0.4995 INCHES MINIMUM BOTH ENDS AND 0.5045 INCHES MAXIMUM BOTH ENDS |
| BYZF | DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 0.901 INCHES MINIMUM BOTH ENDS AND 0.911 INCHES MAXIMUM BOTH ENDS |
| BYZR | FIRST END GROOVE DIAMETER AND LOCATION | 0.480 INCHES NOMINAL BOTH ENDS |
| BYZS | FIRST END GROOVE WIDTH AND LOCATION | 0.025 INCHES NOMINAL BOTH ENDS |
| BYZT | FIRST END LENGTH FROM GROOVE TO END AND LOCATION | 0.876 INCHES MINIMUM BOTH ENDS AND 0.886 INCHES MAXIMUM BOTH ENDS |
| SFTT | SURFACE TREATMENT | PASSIVATE |
| STYL | STYLE DESIGNATOR | WEBBED OR SPOKED |
| Relevant Components for NSN - 3020-00-204-4729, 3020002044729 | ||||
| 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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