Part Details | TACKLE BLOCK
3940-00-189-3425 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: S1801860431PC1T01225T027, S1801-860431PC1T012-25T027, 3940-00-189-3425, 00-189-3425, 3940001893425, 001893425
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 39 | JAN 01, 1963 | 00-189-3425 | 06117 ( BLOCK, TACKLE ) |
REFERENCE DRAWINGS & PICTURES
OVAL PATTERN
Cross Reference | NSN 3940-00-189-3425
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| S1801-860431PC1T012-25T027 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 3940-00-189-3425
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | OVAL PATTERN |
| SHELL LENGTH | 5.000 INCHES NOMINAL |
| SHEAVE OUTSIDE DIAMETER | 3.438 INCHES NOMINAL |
| CENTER PIN DIAMETER | 0.438 INCHES NOMINAL |
| BLOCK TYPE | REGULAR |
| MATERIAL AND LOCATION | STEEL OVERALL |
| SURFACE TREATMENT AND LOCATION | ZINC, ELECTROLYTIC OVERALL |
| SHEAVE QUANTITY | 2 |
| BEARING TYPE | ROLLER |
| TACKLE ACCOMMODATED TYPE | FIBROUS ROPE |
| MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.625 INCHES |
| BECKET TYPE | THIMBLE |
| BECKET QUANTITY | 1 |
| MAXIMUM LOAD RATING | 3000.0 POUNDS |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | SIZE 5 IN.,RIG NO. 10 |