NSN 3940-01-457-6339
Part Details | TACKLE BLOCK
3940-01-457-6339 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: SB4S8BS, SB4S-8BS, SB4S8BS, SB4S-8BS, 3940-01-457-6339, 01-457-6339, 3940014576339, 014576339
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
39 | JUL 29, 1998 | 01-457-6339 | 06117 ( BLOCK, TACKLE ) |
REFERENCE DRAWINGS & PICTURES
OBLONG SWIVEL EYE AND SHACKLE

OVAL PATTERN

Cross Reference | NSN 3940-01-457-6339
Part Number | Cage Code | Manufacturer |
---|---|---|
SB4S-8BS | U4282 | GUNNEBO INDUSTRIES LIMITED |
SB4S-8BS | 99557 | GUNNEBO JOHNSON CORPORATION |
Technical Data | NSN 3940-01-457-6339
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | 0 OVAL PATTERN |
SHEAVE OUTSIDE DIAMETER | 8.000 INCHES NOMINAL |
CENTER PIN DIAMETER | 1.000 INCHES NOMINAL |
BLOCK TYPE | SNATCH |
MATERIAL AND LOCATION | BRONZE BEARING AND BRONZE SHEAVE |
SHEAVE QUANTITY | 1 |
TACKLE ACCOMMODATED TYPE | WIRE ROPE |
MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.500 INCHES |
ATTACHMENT STYLE | 8 OBLONG SWIVEL EYE AND SHACKLE |
MAXIMUM LOAD RATING | 8000.0 POUNDS |