3940-00-202-2198 BLOCK,TACKLE Index 3940-00-202-2200 BLOCK,TACKLE

National Stock Number:
3940-00-202-2199

Federal Supply Class:
3940

National Item Identification Number:
002022199

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:
MILB1183781349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
STYLE DESIGNATORROUND PATTERN
SHEAVE OUTSIDE DIAMETER8.000 INCHES NOMINAL
CENTER PIN DIAMETER1.500 INCHES NOMINAL
BLOCK TYPESNATCH
LOCKING STYLEDROP LINK
MATERIAL AND LOCATIONBRONZE BEARING
STEEL CENTER PIN
STEEL SHEAVE
STEEL SHELL
SURFACE TREATMENT AND LOCATIONZINC, ELECTROLYTIC OVERALL
SHEAVE QUANTITY1
BEARING TYPEPLAIN
TACKLE ACCOMMODATED TYPEWIRE ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED0.750 INCHES
TACKLE LOCKING DEVICENOT INCLUDED
ANTITOPPLING DEVICENOT INCLUDED
ATTACHMENT STYLEFLATTED STIFF SWIVEL HOOK
MAXIMUM LOAD RATING20000.0 POUNDS
NONDEFINITIVE SPEC/STD DATA2 TYPE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMILB11837


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