| 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) | 00-948-9838 (009489838) |
| NCB Code | USA (00) |
| Manufacturer | Caterpillar Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAWY | COUNTERBORE DIAMETER | 4.000 INCHES NOMINAL |
| AAWZ | COUNTERBORE DEPTH | 1.450 INCHES NOMINAL |
| ABGA | GROOVE DEPTH | 0.875 INCHES NOMINAL |
| ABGF | GROOVE WIDTH | 0.312 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| ABHE | OUTSIDE DIAMETER | 12.750 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 4.250 INCHES NOMINAL |
| ABRR | KEYWAY WIDTH | 0.500 INCHES NOMINAL |
| ADGE | BORE LENGTH | 4.250 INCHES NOMINAL |
| AEVF | DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 1.793 INCHES NOMINAL |
| AGGS | V GROOVE ANGLE IN DEG | 34.0 |
| AGJS | PITCH DIAMETER | 12.6250 INCHES NOMINAL |
| ANAL | TAPER BORE MAJOR DIAMETER | 3.115 INCHES NOMINAL |
| ANAM | TAPER BORE MINOR DIAMETER | 2.770 INCHES NOMINAL |
| ANNQ | MATERIAL AND LOCATION | IRON,CAST OVERALL |
| AQPL | FACE WIDTH | 2.188 INCHES NOMINAL |
| ARJD | DESIGN FORM | PLAIN |
| ASBP | BORE TYPE | TAPERED |
| AWJQ | BEARINGS | NOT INCLUDED |
| AWPJ | TAPER MAJOR DIAMETER LOCATION | AA END |
| AXHQ | GROOVE QUANTITY | 2 |
| AXND | COUNTERBORE FEATURE | INCLUDED |
| BDYS | COUNTERBORE LOCATION | BB END |
| BSGG | KEYING FACILITY | INCLUDED |
| BSGK | KEYING FACILITY TYPE | KEYWAY |
| 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 |
| BYDZ | PROTRUDING HUB CHARACTERISTIC | PLAIN |
| BYZD | HUB END OUTSIDE DIAMETER AND LOCATION | 4.468 INCHES NOMINAL AA END AND 6.135 INCHES NOMINAL BB END |
| BYZF | DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 1.125 INCHES NOMINAL AA END AND 0.939 INCHES NOMINAL BB END |
| BYZL | FIRST STEP FACE LARGEST DIAMETER AND LOCATION | 4.940 INCHES NOMINAL BOTH ENDS |
| BYZN | FIRST STEP LENGTH AND LOCATION | 0.500 INCHES NOMINAL BOTH ENDS |
| BYZP | SECOND STEP LENGTH AND LOCATION | 0.625 INCHES NOMINAL BOTH ENDS |
| CLYR | HUB END OUTSIDE DIAMETER AND LOCATION | 4.468 INCHES NOMINAL BOTH ENDS |
| NMBR | QUANTITY | 1 |
| STYL | STYLE DESIGNATOR | WEBBED OR SPOKED |
| Relevant Components for NSN - 3020-00-948-9838, 3020009489838 | ||||
| 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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