NSN 3940-00-072-0331

Part Details | TACKLE BLOCK

3940-00-072-0331 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.

Alternate Parts: AA5980851B, AA59808-51B, AA59808, A-A-59808, GGGB490, GGG-B-490, 3940-00-072-0331, 00-072-0331, 3940000720331, 000720331

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39JUL 27, 196700-072-033106117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES

CHAIN SHACKLE

BLOCK,TACKLE | 3940-00-072-0331, 000720331

ROUND PATTERN

BLOCK,TACKLE | 3940-00-072-0331, 000720331
Cross Reference | NSN 3940-00-072-0331
Part Number Cage Code Manufacturer
AA59808-51B58536FEDERAL COMMERCIAL ITEM DESCRIPTIONPROMULGATED BY GENERAL SERVICES
A-A-5980858536FEDERAL COMMERCIAL ITEM DESCRIPTIONPROMULGATED BY GENERAL SERVICES
GGG-B-49081348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
Technical Data | NSN 3940-00-072-0331
Characteristic Specifications
STYLE DESIGNATOR ROUND PATTERN
SHELL LENGTH8.000 INCHES NOMINAL
SHEAVE OUTSIDE DIAMETER4.500 INCHES NOMINAL
CENTER PIN DIAMETER0.625 INCHES NOMINAL
BLOCK TYPE REGULAR
SURFACE TREATMENT AND LOCATION ZINC, ELECTROLYTIC OVERALL
SHEAVE QUANTITY1
BEARING TYPE PLAIN
SHEAVE BEARING LUBRICATION METHOD SELF-LUBRICATED
TACKLE ACCOMMODATED TYPE FIBROUS ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED1.000 INCHES
TACKLE LOCKING DEVICE NOT INCLUDED
BECKET TYPE THIMBLE
BECKET QUANTITY1
ANTITOPPLING DEVICE NOT INCLUDED
ATTACHMENT STYLE CHAIN SHACKLE
MAXIMUM LOAD RATING3300.0 POUNDS
SPECIAL FEATURESSHEAVE THICKNESS AT RIM MIN 1.375 IN.
NONDEFINITIVE SPEC/STD DATA2 TYPE