| 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) | 00-640-2772 (006402772) |
| NCB Code | USA (00) |
| Manufacturer | Allis Chalmers Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUJ | SPLINE MAJOR DIAMETER | 0.874 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| ABGA | GROOVE DEPTH | 0.688 INCHES NOMINAL |
| ABGF | GROOVE WIDTH | 0.654 INCHES MINIMUM AND 0.656 INCHES MAXIMUM |
| ABHE | OUTSIDE DIAMETER | 7.082 INCHES MINIMUM AND 7.098 INCHES MAXIMUM |
| ABHP | OVERALL LENGTH | 2.000 INCHES NOMINAL |
| ABSA | SPLINE QUANTITY | 6 |
| ABSC | SPLINE MINOR DIAMETER | 0.699 INCHES MINIMUM AND 0.700 INCHES MAXIMUM |
| AGGS | V GROOVE ANGLE IN DEG | 36.0 |
| AGJS | PITCH DIAMETER | 6.590 INCHES NOMINAL |
| ANNQ | MATERIAL AND LOCATION | IRON OVERALL |
| AQPL | FACE WIDTH | 1.000 INCHES NOMINAL |
| ARJD | DESIGN FORM | WEBBED |
| ASBP | BORE TYPE | INVOLUTE SPLINE OR SPLINED |
| AXFH | SPLINE LENGTH | 2.000 INCHES NOMINAL |
| AXHQ | GROOVE QUANTITY | 1 |
| AXND | COUNTERBORE FEATURE | NOT INCLUDED |
| BSGG | KEYING FACILITY | NOT INCLUDED |
| 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 | NOT INCLUDED |
| BYZD | HUB END OUTSIDE DIAMETER AND LOCATION | 1.281 INCHES NOMINAL AA END AND 1.336 INCHES NOMINAL BB END AND 1.340 INCHES NOMINAL BB END |
| BYZF | DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 0.535 INCHES NOMINAL AA END AND 0.541 INCHES NOMINAL AA END AND 0.459 INCHES NOMINAL BB END AND 0.465 INCHES NOMINAL BB END |
| FEAT | SPECIAL FEATURES | 4 RIBS LOCATED ON BB END SPACED 90 DEG APART,1/4 IN. W AND FLUSH WITH FACE,4 HOLES,11/64 IN. DIA,NO. 12-24 NC THD LOCATED ON 2.245 IN. MIN TO 2.250 IN. MAX DIA BOLT CIRCLE ON RIB S FOR SECURING FAN |
| STYL | STYLE DESIGNATOR | WEBBED OR SPOKED |
| ZZZV | FSC APPLICATION DATA | ENGINE GENERATOR DRIVE |
| Relevant Components for NSN - 3020-00-640-2772, 3020006402772 | ||||
| 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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