Part Details | TACKLE BLOCK
3940-00-297-2030 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: C23Z61606, SMC185618, 3940-00-297-2030, 00-297-2030, 3940002972030, 002972030
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 39 | JAN 01, 1963 | 00-297-2030 | 06117 ( BLOCK, TACKLE ) |
REFERENCE DRAWINGS & PICTURES
CHAIN SHACKLE
OVAL PATTERN
Cross Reference | NSN 3940-00-297-2030
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| C23Z61606 | 49956 | RAYTHEON COMPANYDBA RAYTHEON |
| SMC185618 | 80063 | US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS |
Technical Data | NSN 3940-00-297-2030
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | OVAL PATTERN |
| SHELL LENGTH | 4.000 INCHES NOMINAL |
| SHEAVE OUTSIDE DIAMETER | 2.250 INCHES NOMINAL |
| CENTER PIN DIAMETER | 0.312 INCHES NOMINAL |
| BLOCK TYPE | REGULAR |
| SURFACE TREATMENT AND LOCATION | VARNISH OVERALL |
| SHEAVE QUANTITY | 2 |
| BEARING TYPE | PLAIN |
| SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED |
| TACKLE ACCOMMODATED TYPE | FIBROUS ROPE |
| MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.500 INCHES |
| TACKLE LOCKING DEVICE | NOT INCLUDED |
| BECKET TYPE | THIMBLE |
| BECKET QUANTITY | 1 |
| ANTITOPPLING DEVICE | NOT INCLUDED |
| ATTACHMENT STYLE | CHAIN SHACKLE |
| MAXIMUM LOAD RATING | 1400.0 POUNDS |