NSN 3020-01-272-8678 BK70, 01-272-8678, 012728678
Product Details | GROOVE PULLEY
3020-01-272-8678 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: BK70, 3020-01-272-8678, 01-272-8678, 3020012728678, 012728678
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 16 FEB 1988 | 01-272-8678 | 08109 ( PULLEY, GROOVE ) |
Drawings & Photos | NSN 3020-01-272-8678
Cross Reference | NSN 3020-01-272-8678
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| BK70 | 71176 | EMERSON ELECTRIC CO BROWNING MFG DIV |
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Technical Data | NSN 3020-01-272-8678
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | A11 WEBBED OR SPOKED |
| OUTSIDE DIAMETER | 6.750 INCHES NOMINAL |
| OVERALL LENGTH | 1.531 INCHES NOMINAL |
| PITCH DIAMETER | 6.000 INCHES NOMINAL AND 6.400 INCHES NOMINAL |
| FACE WIDTH | 0.875 INCHES NOMINAL |
| HUB END OUTSIDE DIAMETER AND LOCATION | 2.375 INCHES NOMINAL AA END |
| DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 0.656 INCHES NOMINAL AA END AND 0.062 INCHES NOMINAL BB END |
| DESIGN FORM | SPOKED |
| WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | NOT OFFSET |
| LIGHTENING HOLE | NOT INCLUDED |
| INTEGRAL COOLING VANE | NOT INCLUDED |
| MATERIAL AND LOCATION | IRON, CAST OVERALL |
| GROOVE SHAPE | V |
| GROOVE QUANTITY | 1 |
| GROOVE WIDTH | 0.656 INCHES NOMINAL |
| STANDARD V-BELT SECTION DESIGNATION FOR WHICH DESIGNED | 4L AND 5L AND A AND B |
| BORE FEATURE | INCLUDED |
| BEARINGS | NOT INCLUDED |
| BORE TYPE | STRAIGHT |
| BORE DIAMETER | 0.500 INCHES MINIMUM AND 1.438 INCHES MAXIMUM |
| BORE LENGTH | 1.469 INCHES NOMINAL |
| COUNTERBORE FEATURE | NOT INCLUDED |
| KEYING FACILITY | INCLUDED |
| KEYING FACILITY TYPE | INTEGRAL KEY |
| QUANTITY | 1 |
| SPLIT HUB FEATURE | NOT INCLUDED |
| SECURING METHOD | SETSCREW |
| SECURING LOCATION | AA END |
| SPECIAL FEATURES | PART NO. BK70 IS AVAILABLE IN BORE SIZES 0.5000; 0.625; 0.750: 0.938; 1.000; 1.188; 1.250 AND 1.438 WITH VARYING KEYSEAT DIMENSIONS DEPENDING ON BORE SIZE; BUSHINGS ARE AVAILABLE FOR ODD BORE SIZES |
Restrictions/Controls & Freight Information | NSN 3020-01-272-8678
| 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 | ||