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		                             National Stock Number: 3020-00-554-7439
  Federal Supply Class: 3020
  National Item Identification Number: 005547439
  Description: PULLEY,GROOVE
  Detail: 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. 
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  Manufacturer Information:
 | 346863 | 98897 | LOCKHEED MARTIN CORP |   
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  Techincal Specification:
 | BEARING QUANTITY | 1 |  | BEARING TYPE | BALL |  | BEARINGS | INCLUDED |  | BORE DIAMETER | 0.2495 INCHES NOMINAL |  | BORE LENGTH | 0.620 INCHES NOMINAL |  | BORE FEATURE | INCLUDED |  | BORE TYPE | STRAIGHT |  | COUNTERBORE FEATURE | NOT INCLUDED |  | DESIGN FORM | PLAIN |  | DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 0.125 INCHES NOMINAL BOTH ENDS |  | FACE WIDTH | 0.250 INCHES NOMINAL |  | GROOVE QUANTITY | 1 |  | GROOVE RADIUS | 0.052 INCHES MINIMUM AND 0.055 INCHES MAXIMUM |  | GROOVE SHAPE | U |  | GROOVE WIDTH | 0.120 INCHES NOMINAL |  | GROOVE DEPTH | 0.139 INCHES MINIMUM AND 0.149 INCHES MAXIMUM |  | HUB END OUTSIDE DIAMETER AND LOCATION | 1.380 INCHES NOMINAL AA END AND 1.300 INCHES MINIMUM BB END AND 1.310 INCHES MAXIMUM BB END |  | INTEGRAL COOLING VANE | NOT INCLUDED |  | KEYING FACILITY | NOT INCLUDED |  | LIGHTENING HOLE | NOT INCLUDED |  | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-P-15035, TYPE FBM MIL SPEC SINGLE MATERIAL RESPONSE  AND WW-T-791, GRADE 1, TYPE A FED SPEC SINGLE MATERIAL RESPONSE HUB |  | MATERIAL | COPPER ALLOY 230 LOCATION NOT OTHERWISE SPECIFIED |  | MATERIAL | PLASTIC PHENOLIC  AND COTTON HUB |  | OUTSIDE DIAMETER | 6.000 INCHES NOMINAL |  | OVERALL LENGTH | 0.620 INCHES NOMINAL |  | SPLIT HUB FEATURE | NOT INCLUDED |  | STYLE DESIGNATOR | PLAIN |   
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