NSN 3940-00-926-1079

Part Details | TACKLE BLOCK

3940-00-926-1079 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: GGGB490, GGG-B-490, GGGB490STYLE3ROUNDTY2, GGGB490STYLE-3ROUNDTY2, GGGB490STYLE3R 0UNDTY2, GGGB490STYLE-3R 0UNDTY2, 3940-00-926-1079, 00-926-1079, 3940009261079, 009261079

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39AUG 26, 196600-926-107906117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES

CHAIN SHACKLE

BLOCK,TACKLE | 3940-00-926-1079, 009261079

ROUND PATTERN

BLOCK,TACKLE | 3940-00-926-1079, 009261079
Cross Reference | NSN 3940-00-926-1079
Part Number Cage Code Manufacturer
GGG-B-49081348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
GGGB490STYLE-3ROUNDTY281348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
GGGB490STYLE-3R 0UNDTY2D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
Technical Data | NSN 3940-00-926-1079
Characteristic Specifications
STYLE DESIGNATOR ROUND PATTERN
SHELL LENGTH10.000 INCHES NOMINAL
SHEAVE OUTSIDE DIAMETER6.250 INCHES NOMINAL
CENTER PIN DIAMETER0.750 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 ACCOMMODATED1.250 INCHES
TACKLE LOCKING DEVICE NOT INCLUDED
BECKET TYPE THIMBLE
BECKET QUANTITY1
ANTITOPPLING DEVICE NOT INCLUDED
ATTACHMENT STYLE CHAIN SHACKLE
MAXIMUM LOAD RATING5000.0 POUNDS
SPECIAL FEATURESSHEAVE THICKNESS AT RIM MIN 1.500 IN.
NONDEFINITIVE SPEC/STD DATA2 TYPE