Part Details | TACKLE BLOCK
3940-00-641-4153 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: 5171, MILB11837, MIL-B-11837, 3940-00-641-4153, 00-641-4153, 3940006414153, 006414153
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 39 | JAN 01, 1961 | 00-641-4153 | 06117 ( BLOCK, TACKLE ) |
REFERENCE DRAWINGS & PICTURES
SAFETY W/LATCH PIN
OBLONG SWIVEL EYE AND SHACKLE
OVAL PATTERN
Cross Reference | NSN 3940-00-641-4153
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5171 | 76320 | MCMILLANS W H SONS |
| MIL-B-11837 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
Technical Data | NSN 3940-00-641-4153
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | OVAL PATTERN |
| SHEAVE OUTSIDE DIAMETER | 10.000 INCHES NOMINAL |
| CENTER PIN DIAMETER | 1.500 INCHES NOMINAL |
| BLOCK TYPE | SNATCH |
| LOCKING STYLE | SAFETY W/LATCH PIN |
| SURFACE TREATMENT AND LOCATION | ZINC, ELECTROLYTIC OVERALL |
| SHEAVE QUANTITY | 1 |
| BEARING TYPE | PLAIN |
| SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED |
| TACKLE ACCOMMODATED TYPE | WIRE ROPE |
| MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.875 INCHES |
| TACKLE LOCKING DEVICE | NOT INCLUDED |
| ANTITOPPLING DEVICE | NOT INCLUDED |
| ATTACHMENT STYLE | OBLONG SWIVEL EYE AND SHACKLE |
| MAXIMUM LOAD RATING | 30000.0 POUNDS |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE |