NSN 3940-00-276-7499

Part Details | TACKLE BLOCK

3940-00-276-7499 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: 8052453185TYPEXXX, 805-2453185TYPEXXX, 3940-00-276-7499, 00-276-7499, 3940002767499, 002767499

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39JAN 01, 196300-276-749906117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES

OBLONG SWIVEL EYE

OVAL PATTERN

Cross Reference | NSN 3940-00-276-7499
Part Number Cage Code Manufacturer
805-2453185TYPEXXX80064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 3940-00-276-7499
Characteristic Specifications
STYLE DESIGNATOR OVAL PATTERN
SHELL LENGTH19.000 INCHES NOMINAL
SHEAVE OUTSIDE DIAMETER12.000 INCHES NOMINAL
CENTER PIN DIAMETER1.750 INCHES NOMINAL
BLOCK TYPE REGULAR
SHEAVE QUANTITY1
BEARING TYPE PLAIN
SHEAVE BEARING LUBRICATION METHOD SELF-LUBRICATED
TACKLE ACCOMMODATED TYPE WIRE ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED0.625 INCHES
TACKLE LOCKING DEVICE NOT INCLUDED
BECKET TYPE CLOSED SOCKET
BECKET QUANTITY1
ANTITOPPLING DEVICE NOT INCLUDED
ATTACHMENT STYLE2 OBLONG SWIVEL EYE
SPECIAL FEATURESDWG805-2453185PC1-2-6-10-12-13-17-21TO23
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSESS FEAT