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		                        | National Stock Number:
 3020-00-200-1538
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 002001538
 
 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:
 
 | NAS383-1 | 02975 | STEVENS AIRCRAFT CORP |  | NAS383-1 | 29965 | ARVAN, INC. |  | NAS383-1 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | 
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 Techincal Specification:
 
 | BEARING QUANTITY | 1 |  | BEARINGS | INCLUDED |  | BEARING TYPE | SLEEVE |  | BORE DIAMETER | 0.251 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |  | BORE LENGTH | 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |  | BORE FEATURE | INCLUDED |  | BORE TYPE | STRAIGHT |  | COUNTERBORE FEATURE | NOT INCLUDED |  | DESIGN FORM | PLAIN |  | FACE WIDTH | 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |  | GROOVE QUANTITY | 1 |  | GROOVE RADIUS | 0.047 INCHES MINIMUM AND 0.055 INCHES MAXIMUM |  | GROOVE SHAPE | U |  | GROOVE WIDTH | 0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM |  | GROOVE DEPTH | 0.375 INCHES NOMINAL |  | INTEGRAL COOLING VANE | NOT INCLUDED |  | KEYING FACILITY | NOT INCLUDED |  | LIGHTENING HOLE | NOT INCLUDED |  | MATERIAL | PLASTIC PHENOLIC OVERALL |  | OUTSIDE DIAMETER | 1.250 INCHES NOMINAL |  | SPLIT HUB FEATURE | NOT INCLUDED |  | STYLE DESIGNATOR | PLAIN |  | WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | NOT OFFSET | 
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