Product Details | TACKLE BLOCK

3940-00-072-0366 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.

Part Alternates: GGGB490, GGG-B-490, 3940-00-072-0366, 00-072-0366, 3940000720366, 000720366

Materials Handling Equipment | Blocks, Tackle, Rigging, and Slings

Supply Group (FSG) NSN Assign. NIIN
39 00-072-0366

Drawings & Photos | NSN 3940-00-072-0366


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Technical Data | NSN 3940-00-072-0366

Characteristic Specifications
STYLE DESIGNATOR 1 OVAL PATTERN
SHELL LENGTH 10.000 INCHES NOMINAL
SHEAVE OUTSIDE DIAMETER 5.750 INCHES NOMINAL
CENTER PIN DIAMETER 0.750 INCHES NOMINAL
BLOCK TYPE SNATCH
LOCKING STYLE 1 SAFETY LOCKING
MATERIAL AND LOCATION BRONZE BEARING STEEL CENTER PIN IRON SHEAVE AND STEEL SHEAVE STEEL SHELL
SURFACE TREATMENT AND LOCATION ZINC, ELECTROLYTIC OVERALL
SHEAVE QUANTITY 1
BEARING TYPE PLAIN
SHEAVE BEARING LUBRICATION METHOD SELF-LUBRICATED
TACKLE ACCOMMODATED TYPE FIBROUS ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED 1.250 INCHES
TACKLE LOCKING DEVICE NOT INCLUDED
ANTITOPPLING DEVICE NOT INCLUDED
ATTACHMENT STYLE 32 FLATTED LOOSE SWIVEL EYE WITH SWIVEL HOOK
MAXIMUM LOAD RATING 8000.0 POUNDS
SPECIAL FEATURES SHEAVE THICKNESS AT RIM MIN 1.875 IN.
NONDEFINITIVE SPEC/STD DATA 3 TYPE
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE GGG-B-490

Restrictions/Controls & Freight Information | NSN 3940-00-072-0366

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Category Code Description
No Freight Information