Part Details | TACKLE BLOCK
3940-00-264-4746 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: 770369 PIECE 13 TO 20, 770369 PIECE 1-3 TO 20, S1801770369PC13T020, S1801-770369PC1-3T020, 3940-00-264-4746, 00-264-4746, 3940002644746, 002644746
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 39 | JAN 01, 1963 | 00-264-4746 | 06117 ( BLOCK, TACKLE ) |
REFERENCE DRAWINGS & PICTURES
DIAMOND PATTERN
Cross Reference | NSN 3940-00-264-4746
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 770369 PIECE 1-3 TO 20 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| S1801-770369PC1-3T020 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 3940-00-264-4746
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | DIAMOND PATTERN |
| SHEAVE OUTSIDE DIAMETER | 20.000 INCHES NOMINAL |
| CENTER PIN DIAMETER | 2.247 INCHES NOMINAL |
| BLOCK TYPE | REGULAR |
| SURFACE TREATMENT AND LOCATION | ZINC, ELECTROLYTIC OVERALL |
| SHEAVE QUANTITY | 3 |
| BEARING TYPE | PLAIN |
| SHEAVE BEARING LUBRICATION METHOD | PRESSURE GREASE FITTING |
| TACKLE ACCOMMODATED TYPE | WIRE ROPE |
| MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.875 INCHES |
| TACKLE LOCKING DEVICE | NOT INCLUDED |
| ANTITOPPLING DEVICE | NOT INCLUDED |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENT1ATED BY SHEAVE QUANTITY AND BY MAXIMUM TACKL DIAMETER ACCOMMODATED |