NSN 3940-00-202-2179

Part Details | TACKLE BLOCK

3940-00-202-2179 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: 368SIZE7AND251SIZE2, 3940-00-202-2179, 00-202-2179, 3940002022179, 002022179

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39JAN 01, 196300-202-217906117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES

OBLONG SWIVEL EYE

BLOCK,TACKLE | 3940-00-202-2179, 002022179

OVAL PATTERN

BLOCK,TACKLE | 3940-00-202-2179, 002022179
Cross Reference | NSN 3940-00-202-2179
Part Number Cage Code Manufacturer
368SIZE7AND251SIZE279577NORTH AND JUDD INCWILCOX-CRITTENDEN DIV
Technical Data | NSN 3940-00-202-2179
Characteristic Specifications
STYLE DESIGNATOR1 OVAL PATTERN
SHELL LENGTH2.250 INCHES NOMINAL
SHEAVE OUTSIDE DIAMETER1.500 INCHES NOMINAL
CENTER PIN DIAMETER0.188 INCHES NOMINAL
BLOCK TYPE REGULAR
SURFACE TREATMENT AND LOCATION ZINC, ELECTROLYTIC OVERALL
SHEAVE QUANTITY1
BEARING TYPE PLAIN
TACKLE ACCOMMODATED TYPE FIBROUS ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED0.375 INCHES
TACKLE LOCKING DEVICE NOT INCLUDED
ANTITOPPLING DEVICE NOT INCLUDED
ATTACHMENT STYLE8 OBLONG SWIVEL EYE