NSN 3020-00-204-4729
Part Details | GROOVE PULLEY
3020-00-204-4729 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.
Alternate Parts: 611919, 3020-00-204-4729, 00-204-4729, 3020002044729, 002044729
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
30 | JAN 01, 1963 | 00-204-4729 | 08109 ( PULLEY, GROOVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN

Cross Reference | NSN 3020-00-204-4729
Part Number | Cage Code | Manufacturer |
---|---|---|
611919 | 06650 | BELL AND HOWELL PHILLIPSBURG COCORPORATE OFFICES |
Technical Data | NSN 3020-00-204-4729
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | 0 PLAIN |
OUTSIDE DIAMETER | 1.990 INCHES NOMINAL |
OVERALL LENGTH | 1.228 INCHES NOMINAL |
PITCH DIAMETER | 1.750 INCHES MINIMUM AND 1.990 INCHES MAXIMUM |
FACE WIDTH | 0.322 INCHES NOMINAL |
HUB END OUTSIDE DIAMETER AND LOCATION | AHH0.4995 INCHES MINIMUM AND AHH0.5045 INCHES MAXIMUM |
DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | AHH0.901 INCHES MINIMUM AND AHH0.911 INCHES MAXIMUM |
DESIGN FORM | WEBBED |
WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | OFFSET |
LIGHTENING HOLE | NOT INCLUDED |
INTEGRAL COOLING VANE | NOT INCLUDED |
MATERIAL AND LOCATION | STEEL, MIL-S-7720, COMP 303S OVERALL |
SURFACE TREATMENT | PASSIVATE |
GROOVE SHAPE | V |
GROOVE QUANTITY | 1 |
GROOVE DEPTH | 0.1515 INCHES NOMINAL |
GROOVE WIDTH | 0.168 INCHES NOMINAL |
V GROOVE ANGLE IN DEG | 13.0 |
BORE FEATURE | INCLUDED |
BEARINGS | NOT INCLUDED |
BORE TYPE | STRAIGHT |
BORE DIAMETER | 0.312 INCHES MINIMUM AND 0.317 INCHES MAXIMUM |
BORE LENGTH | 1.228 INCHES NOMINAL |
COUNTERBORE FEATURE | INCLUDED |
COUNTERBORE LOCATION | BB END |
COUNTERBORE DIAMETER | 1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM |
COUNTERBORE DEPTH | 0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM |
KEYING FACILITY | NOT INCLUDED |
PROTRUDING HUB CHARACTERISTIC | GROOVED |
FIRST END GROOVE DIAMETER AND LOCATION | AHH0.480 INCHES NOMINAL |
FIRST END GROOVE WIDTH AND LOCATION | AHH0.025 INCHES NOMINAL |
FIRST END LENGTH FROM GROOVE TO END AND LOCATION | AHH0.876 INCHES MINIMUM AND AHH0.886 INCHES MAXIMUM |
SPLIT HUB FEATURE | NOT INCLUDED |
SECURING METHOD | BOLTED THROUGH BORE |