NSN 3020-00-990-6548 255687C, 287385AS, 00-990-6548
Product Details | GROOVE PULLEY
3020-00-990-6548 A pulley with one or more grooved faces or rims of the same diameter. For pulleys encased in a shell or frame, see BLOCK, TACKLE. For items specifically designed for aviation, see PULLEY(1), GROOVE, AVIATION.
Part Alternates: 255687C, 287385AS, 3020-00-990-6548, 00-990-6548, 3020009906548, 009906548
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 01 JAN 1962 | 00-990-6548 | 08109 ( PULLEY, GROOVE ) |
Drawings & Photos | NSN 3020-00-990-6548
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Technical Data | NSN 3020-00-990-6548
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | A17 WEBBED OR SPOKED |
| OUTSIDE DIAMETER | 4.651 INCHES NOMINAL |
| OVERALL LENGTH | 3.031 INCHES NOMINAL |
| PITCH DIAMETER | 3.625 INCHES MINIMUM AND 4.313 INCHES MAXIMUM |
| FACE WIDTH | 0.750 INCHES NOMINAL |
| HUB END OUTSIDE DIAMETER AND LOCATION | 1.313 INCHES MINIMUM AA END AND 3.000 INCHES MAXIMUM BB END |
| DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 1.281 INCHES MINIMUM AA END AND 2.281 INCHES MAXIMUM BB END |
| DESIGN FORM | WEBBED |
| WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | OFFSET |
| LIGHTENING HOLE | NOT INCLUDED |
| INTEGRAL COOLING VANE | NOT INCLUDED |
| MATERIAL AND LOCATION | IRON OVERALL |
| GROOVE SHAPE | V |
| GROOVE QUANTITY | 1 |
| GROOVE DEPTH | 0.563 INCHES NOMINAL |
| GROOVE WIDTH | 0.5005 INCHES NOMINAL |
| V GROOVE ANGLE IN DEG | 36.0 |
| BORE FEATURE | INCLUDED |
| BEARINGS | NOT INCLUDED |
| BORE TYPE | STRAIGHT |
| BORE DIAMETER | 0.7447 INCHES NOMINAL |
| BORE LENGTH | 1.750 INCHES NOMINAL |
| COUNTERBORE FEATURE | INCLUDED |
| COUNTERBORE LOCATION | BB END |
| COUNTERBORE DIAMETER | 1.0625 INCHES NOMINAL |
| COUNTERBORE DEPTH | 0.719 INCHES NOMINAL |
| KEYING FACILITY | NOT INCLUDED |
| SPLIT HUB FEATURE | NOT INCLUDED |
| SECURING METHOD | THREADED HOLE |
| SECURING LOCATION | BB END |
| SECURING HOLE QUANTITY | 4 |
| THREAD SIZE | 5/16 - 18 |
| HOLE LOCATION | TWO HOLES ON TOP AND BOTTOM OF BORE,SPACED 1.500 IN. ON 2.00 IN. DIA BOLT CIRCLE |
| MANUFACTURERS CODE | 1ML14 |
| DESIGN CONTROL REFERENCE | 287385AS |
Restrictions/Controls & Freight Information | NSN 3020-00-990-6548
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||