4820-00-630-9929 VALVE,PRESSURE EQUALIZING,GASEOU Index 3940-00-630-9932 BLOCK,TACKLE

National Stock Number:
3940-00-630-9931

Federal Supply Class:
3940

National Item Identification Number:
006309931

Description:
BLOCK,TACKLE

Detail:
A MECHANICAL DEVICE, CONSISTING OF A PULLEY(S) OR SHEAVE(S) ENCASED IN A SHELL OR FRAME WHICH MAY BE PROVIDED WITH A MEANS SUCH AS A HOOK, EYE, STRAP, SCREW, ETC., BY WHICH IT MAY BE ATTACHED TO AN OBJECT. IT IS USED TO CHANGE DIRECTION OF A RUNNING ROPE AND/OR TO GAIN A MECHANICAL ADVANTAGE.


Manufacturer Information:
D8337019PT833702019207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
MILB11837TYPE2STYLEA81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
ANTITOPPLING DEVICENOT INCLUDED
ATTACHMENT STYLEFLATTED STIFF SWIVEL HOOK
BLOCK TYPESNATCH
CENTER PIN DIAMETER1.500 INCHES NOMINAL
LOCKING STYLEDROP LINK
MAXIMUM TACKLE DIAMETER ACCOMMODATED0.625 INCHES
NONDEFINITIVE SPEC/STD DATA2 TYPE
SHEAVE OUTSIDE DIAMETER8.000 INCHES NOMINAL
SHEAVE QUANTITY1
STYLE DESIGNATORHALF-OVAL PATTERN
TACKLE ACCOMMODATED TYPEWIRE ROPE
TACKLE LOCKING DEVICENOT INCLUDED


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