| 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) | 00-493-7178 (004937178) |
| NCB Code | USA (00) |
| Manufacturer | Lockheed Martin Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABGA | GROOVE DEPTH | 0.031 INCHES NOMINAL |
| ABGF | GROOVE WIDTH | 0.031 INCHES NOMINAL |
| ABHE | OUTSIDE DIAMETER | 1.250 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 0.375 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.125 INCHES NOMINAL |
| ADGE | BORE LENGTH | 0.500 INCHES NOMINAL |
| AGGP | DRILLED HOLE DIAMETER | 0.031 INCHES NOMINAL |
| AGJS | PITCH DIAMETER | 0.750 INCHES NOMINAL |
| AGWA | GROOVE RADIUS | 0.016 INCHES NOMINAL |
| AHYF | SECURING HOLE QUANTITY | 2 |
| ANNQ | MATERIAL AND LOCATION | STEEL BODY |
| AQPL | FACE WIDTH | 0.250 INCHES NOMINAL |
| ARJD | DESIGN FORM | PLAIN |
| ASBP | BORE TYPE | STRAIGHT |
| AWJQ | BEARINGS | NOT INCLUDED |
| AXHQ | GROOVE QUANTITY | 2 |
| AXND | COUNTERBORE FEATURE | NOT INCLUDED |
| BFYT | HOLE LOCATION | ONE HOLE AT TOP AND BOTTOM EAR OF PULLEY |
| BSGG | KEYING FACILITY | NOT INCLUDED |
| BSNP | SECURING METHOD | SLOTTED |
| BSYG | SPLIT HUB FEATURE | INCLUDED |
| BXSJ | LIGHTENING HOLE | NOT INCLUDED |
| BXSK | INTEGRAL COOLING VANE | NOT INCLUDED |
| BXSM | GROOVE SHAPE | U |
| BYDS | BORE FEATURE | INCLUDED |
| BYDZ | PROTRUDING HUB CHARACTERISTIC | PLAIN |
| BYFC | HUB SPLIT LOCATION | THROUGH ONE WALL |
| BYFD | CLAMPING BOLT QUANTITY | 2 |
| BYFF | SECURING LOCATION | PULLEY SURFACE |
| BYZD | HUB END OUTSIDE DIAMETER AND LOCATION | 0.188 INCHES NOMINAL AA END |
| BYZF | DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 0.281 INCHES NOMINAL AA END |
| STYL | STYLE DESIGNATOR | PLAIN |
| Relevant Components for NSN - 3020-00-493-7178, 3020004937178 | ||||
| 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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