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| Item Name | Pulley Flat |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3020 Gear Pulley Sprocket and Transmission Chain |
| National Item Identification Number (NIIN) | 01-273-4784 (012734784) |
| NCB Code | USA (01) |
| Manufacturer | Inspektorat Wsparcia Sil Zbrojnych, Hemco Corporation, Raytheon Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHE | OUTSIDE DIAMETER | 1.620 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 1.010 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.620 INCHES NOMINAL |
| AGGP | DRILLED HOLE DIAMETER | 0.159 INCHES NOMINAL |
| AHSF | FLANGE QUANTITY | 2 |
| AHYF | SECURING HOLE QUANTITY | 3 |
| AQPL | FACE WIDTH | 0.660 INCHES NOMINAL |
| ARJD | DESIGN FORM | WEBBED |
| BFYT | HOLE LOCATION | 2ND END,0.850 IN. LG |
| BSNP | SECURING METHOD | DRILLED HOLE |
| 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 |
| BYDP | RIM TYPE | SOLID |
| BYDR | FLANGE LOCATION | INSIDE AND OUTSIDE |
| BYDS | BORE FEATURE | NOT INCLUDED |
| BYDZ | PROTRUDING HUB CHARACTERISTIC | STEPPED |
| BYFF | SECURING LOCATION | BB END |
| BYZD | HUB END OUTSIDE DIAMETER AND LOCATION | 1.313 INCHES NOMINAL AA END |
| BYZF | DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 0.300 INCHES NOMINAL AA END |
| BYZL | FIRST STEP FACE LARGEST DIAMETER AND LOCATION | 1.313 INCHES NOMINAL AA END |
| BYZN | FIRST STEP LENGTH AND LOCATION | 0.050 INCHES NOMINAL AA END |
| BYZP | SECOND STEP LENGTH AND LOCATION | 0.250 INCHES NOMINAL AA END |
| CLYR | HUB END OUTSIDE DIAMETER AND LOCATION | 1.200 INCHES NOMINAL AA END |
| CLYS | DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 0.300 INCHES NOMINAL AA END |
| FEAT | SPECIAL FEATURES | 60 DEG WEDGE CUT FROM OUTER EDGE TO CENTER,0.190 R AT POINT;2 TAP DRILLED HOLES IN WEDE SIDE 0.330 IN. DEEP,CSK 82 DEGX0.157 IN. DIA,0.138-32 UNC 2BX0.220 MIN. FULL THREAD |
| SFTT | SURFACE TREATMENT | ANODIZE |
| STYL | STYLE DESIGNATOR | PLAIN |
| Relevant Components for NSN - 3020-01-273-4784, 3020012734784 | ||||
| 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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