Part Details | TACKLE BLOCK
3940-00-174-6748 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: S1801770367PC13T020, S1801-770367PC1-3T020, 3940-00-174-6748, 00-174-6748, 3940001746748, 001746748
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 39 | JAN 01, 1963 | 00-174-6748 | 06117 ( BLOCK, TACKLE ) |
REFERENCE DRAWINGS & PICTURES
DIAMOND PATTERN
Cross Reference | NSN 3940-00-174-6748
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| S1801-770367PC1-3T020 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 3940-00-174-6748
| 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 | 1 |
| 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 |
| BECKET TYPE | SHACKLE |
| ANTITOPPLING DEVICE | NOT INCLUDED |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY MAXIMUM TACKLE DIAMETER ACCOMMODATED AND BY SHEAVE QUANTITY |