NSN 3940-00-877-5715

Part Details | TACKLE BLOCK

3940-00-877-5715 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: MILL28654, MIL-L-28654, 6028259, 3940-00-877-5715, 00-877-5715, 3940008775715, 008775715

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39JAN 01, 196200-877-571506117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES

SAFETY LOCKING

OBLONG SWIVEL EYE

ROUND PATTERN

Cross Reference | NSN 3940-00-877-5715
Part Number Cage Code Manufacturer
MIL-L-2865481349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
602825980091NAVAL FACILITIES ENGINEERING COMMAND
Technical Data | NSN 3940-00-877-5715
Characteristic Specifications
STYLE DESIGNATOR ROUND PATTERN
SHELL LENGTH36.250 INCHES NOMINAL
SHEAVE OUTSIDE DIAMETER34.000 INCHES NOMINAL
CENTER PIN DIAMETER4.247 INCHES MINIMUM AND 4.250 INCHES MAXIMUM
BLOCK TYPE SNATCH
LOCKING STYLE SAFETY LOCKING
SURFACE TREATMENT AND LOCATION ZINC, ELECTROLYTIC OVERALL
SHEAVE QUANTITY1
BEARING TYPE PLAIN
SHEAVE BEARING LUBRICATION METHOD PRESSURE GREASE FITTING
TACKLE ACCOMMODATED TYPE WIRE ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED2.000 INCHES
TACKLE LOCKING DEVICE NOT INCLUDED
ANTITOPPLING DEVICE NOT INCLUDED
ATTACHMENT STYLE OBLONG SWIVEL EYE
MAXIMUM LOAD RATING151740.0 POUNDS
SPECIAL FEATURESW/LATCH PIN AND DRILLED CROSSHEAD FOR SECURING SIDE IN CLOSED POSITION
NONDEFINITIVE SPEC/STD DATA2 GROUP