NSN 3940-00-539-1728

Part Details | TACKLE BLOCK

3940-00-539-1728 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: 25771961, 25-77196-1, 3940-00-539-1728, 00-539-1728, 3940005391728, 005391728

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39SEP 25, 197400-539-172806117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES

SAFETY W/LATCH PIN

BLOCK,TACKLE | 3940-00-539-1728, 005391728

OVAL PATTERN

BLOCK,TACKLE | 3940-00-539-1728, 005391728
Cross Reference | NSN 3940-00-539-1728
Part Number Cage Code Manufacturer
25-77196-181205THE BOEING COMPANYDBA BOEING
Technical Data | NSN 3940-00-539-1728
Characteristic Specifications
STYLE DESIGNATOR5 OVAL PATTERN
BLOCK TYPE SNATCH
LOCKING STYLE SAFETY W/LATCH PIN
SHEAVE QUANTITY1
TACKLE ACCOMMODATED TYPE WIRE ROPE
TACKLE LOCKING DEVICE INCLUDED
BECKET TYPE PLAIN
BECKET QUANTITY1
SPECIAL FEATURESASSEMBLY CONSISTS (1) 29-49446-1 (1) MS21044N5; (1) 960-516; (1) 960-816; (1) NAS73-5E015; (1) AN960-816; (1)AN960-516; (1) NAS1105-25; (1) 29-49446-1; (1) 29-49446-1