1005-00-938-0954 FEEDER,AMMUNITION,MACHINE GUN-AU Index 3020-00-938-0961 PULLEY,GROOVE

National Stock Number:
3020-00-938-0960

Federal Supply Class:
3020

National Item Identification Number:
009380960

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.


Manufacturer Information:
272N3054114-02938597LOCKHEED MARTIN CORPORATION


Techincal Specification:
BEARING QUANTITY1
BEARING TYPEBALL
BEARINGSINCLUDED
BORE DIAMETER1.437 INCHES NOMINAL
BORE LENGTH0.479 INCHES NOMINAL
BORE FEATUREINCLUDED
BORE TYPESTRAIGHT
COUNTERBORE DEPTH0.131 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
COUNTERBORE FEATUREINCLUDED
COUNTERBORE LOCATIONAA END OR BB END
COUNTERBORE DIAMETER1.880 INCHES MINIMUM AND 1.198 INCHES MAXIMUM
DESIGN FORMPLAIN
FACE WIDTH0.750 INCHES NOMINAL
GROOVE DEPTH0.156 INCHES NOMINAL
GROOVE QUANTITY2
GROOVE RADIUS0.050 INCHES NOMINAL
GROOVE SHAPEU
GROOVE WIDTH0.150 INCHES NOMINAL
INTEGRAL COOLING VANENOT INCLUDED
KEYING FACILITYNOT INCLUDED
LIGHTENING HOLENOT INCLUDED
OUTSIDE DIAMETER5.218 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-355-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
PITCH DIAMETER4.906 INCHES NOMINAL
SPECIAL FEATURESDRILLED HOLE ON FACE OF PULLEY THROUGH,0.256 MAX IN. DIA WITH COUNTERBORE 0.750 IN. DIA 0.180 IN. DP,LOCATED 1.500 IN. ABOVE CNTR OF BORE TO LEFT OF CABLES PASSING THROUGH FACE WHICH STOP PULLEY; HOLES FOR CABLES ARE 0.271 IN. DIA AT SURFACE AND 0.157 IN. DIA AT BOTTOM; CABLE HOLES INTERSECT AT 120 DEGREE ANGLE FROM EACH OTHER ON A CHORD 1.750 IN. FROM CNTR OF BORE
SPLIT HUB FEATURENOT INCLUDED
STYLE DESIGNATORPLAIN
SUPPLEMENTARY FEATURESDIFFERS FROM -039 BECAUSE -029 ISRIGHT HANDED


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