NSN 3940-01-442-9789
Part Details | TACKLE BLOCK
3940-01-442-9789 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: 7D505660 REV B ITEM 9, 7D5-05660 REV B ITEM 9, 7D305679, 7D3-05679, 3940-01-442-9789, 01-442-9789, 3940014429789, 014429789
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
39 | MAR 28, 1997 | 01-442-9789 | 06117 ( BLOCK, TACKLE ) |
REFERENCE DRAWINGS & PICTURES
SWIVEL JAW AND GUY EYES

OVAL PATTERN

Cross Reference | NSN 3940-01-442-9789
Part Number | Cage Code | Manufacturer |
---|---|---|
7D5-05660 REV B ITEM 9 | 34712 | OLDENBURG GROUP INCORPORATEDDBA OLDENBURG - LAKE SHORE |
7D3-05679 | 34712 | OLDENBURG GROUP INCORPORATEDDBA OLDENBURG - LAKE SHORE |
Technical Data | NSN 3940-01-442-9789
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | 2 OVAL PATTERN |
SHELL LENGTH | 20.000 INCHES NOMINAL |
SHEAVE OUTSIDE DIAMETER | 14.000 INCHES NOMINAL |
CENTER PIN DIAMETER | 0.500 INCHES NOMINAL |
BLOCK TYPE | REGULAR |
MATERIAL AND LOCATION | STEEL OVERALL |
SHEAVE QUANTITY | 1 |
BEARING TYPE | PLAIN |
SHEAVE BEARING LUBRICATION METHOD | PRESSURE GREASE FITTING |
TACKLE ACCOMMODATED TYPE | WIRE ROPE |
MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.500 INCHES |
TACKLE LOCKING DEVICE | NOT INCLUDED |
ANTITOPPLING DEVICE | NOT INCLUDED |
ATTACHMENT STYLE | SWIVEL JAW AND GUY EYES |
SPECIAL FEATURES | 40.72 IN. FROM CENTER POINT OF SHEAVE TO LOAD BEARING SURFACE OF HOOK; STEEL CONSTRUCTION WITH PLASTIC SHIMSAGAVGAOE10 DAVIT |
END ITEM IDENTIFICATION | MANUFACTURER NAME, HOOK BLOCK ASSEMBLY |