AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| 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) | 00-098-1781 (000981781) |
| NCB Code | USA (00) |
| Manufacturer | Hamilton Sundstrand Corporation, Electro Machine And Tool Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUJ | SPLINE MAJOR DIAMETER | 0.682 INCHES NOMINAL |
| ABGA | GROOVE DEPTH | 0.187 INCHES NOMINAL |
| ABHE | OUTSIDE DIAMETER | 4.375 INCHES NOMINAL |
| ABKG | BOLT CIRCLE DIAMETER | 2.500 INCHES NOMINAL |
| ABSA | SPLINE QUANTITY | 12 |
| ABSC | SPLINE MINOR DIAMETER | 0.560 INCHES MINIMUM AND 0.563 INCHES MAXIMUM |
| AGGP | DRILLED HOLE DIAMETER | 0.191 INCHES MINIMUM AND 0.194 INCHES MAXIMUM |
| AGGS | V GROOVE ANGLE IN DEG | 30.0 |
| AHYF | SECURING HOLE QUANTITY | 18 |
| ANNQ | MATERIAL AND LOCATION | ALUMINUM ALLOY,24ST,ALUMINUM CO OF AMERICA OR ALUMINUM ALLOY,AMS 4037,OVERALL |
| AQPL | FACE WIDTH | 0.225 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| ARJD | DESIGN FORM | PLAIN |
| ASBP | BORE TYPE | INVOLUTE SPLINE |
| AWJQ | BEARINGS | NOT INCLUDED |
| AXFG | SPLINE PRESSURE ANGLE IN DEG | 30.0 |
| AXFH | SPLINE LENGTH | 0.223 INCHES MINIMUM AND 0.225 INCHES MAXIMUM |
| AXHQ | GROOVE QUANTITY | 1 |
| BDTX | SPLINE PITCH DIAMETER | 0.6000 INCHES NOMINAL |
| BFYT | HOLE LOCATION | HOLES EQUALLY SPACED,1ST HOLE IN LINE W/CENTERLINE THRU SPLINE GROOVES WITHIN 0.030 |
| BSNP | SECURING METHOD | DRILLED HOLE |
| BSYG | SPLIT HUB FEATURE | NOT INCLUDED |
| BXSJ | LIGHTENING HOLE | NOT INCLUDED |
| BXSK | INTEGRAL COOLING VANE | NOT INCLUDED |
| BXSM | GROOVE SHAPE | V |
| BYDS | BORE FEATURE | INCLUDED |
| FEAT | SPECIAL FEATURES | SECURING HOLESCOUNTERBORED 0.312 IN. DIABY .037/.077 IN. DEEP,ONERECTANGULAR NOTCH LOCATED IN OUTER EDGE,BASE OF NOTCH 1.530/1.540 IN. FROM CENTER,0.498/0.501 IN. W |
| SFTT | SURFACE TREATMENT | PAINT |
| STYL | STYLE DESIGNATOR | PLAIN |
| Relevant Components for NSN - 3020-00-098-1781, 3020000981781 | ||||
| 3040-99-750-9441 (3040997509441) | 3040-01-309-9880 (3040013099880) | 3020-00-056-1680 (3020000561680) | 3040-01-592-1774 (3040015921774) | |
| 3040-01-340-6053 (3040013406053) | 3040-01-424-7637 (3040014247637) | 3020-00-762-8849 (3020007628849) | 3040-01-411-4890 (3040014114890) | |
| 3020-01-163-7221 (3020011637221) | 3030-00-041-2888 (3030000412888) | 3030-00-421-7151 (3030004217151) | 3040-01-256-3453 (3040012563453) | |
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