NSN 3940-00-984-0231
Part Details | TACKLE BLOCK
3940-00-984-0231 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: GGGB00490, 3940-00-984-0231, 00-984-0231, 3940009840231, 009840231
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 39 | JAN 01, 1962 | 00-984-0231 | 06117 ( BLOCK, TACKLE ) |
REFERENCE DRAWINGS & PICTURES
CHAIN SHACKLE
HALF-OVAL PATTERN
Cross Reference | NSN 3940-00-984-0231
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| GGGB00490 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
Technical Data | NSN 3940-00-984-0231
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | HALF-OVAL PATTERN |
| SHELL LENGTH | 14.000 INCHES NOMINAL |
| SHEAVE OUTSIDE DIAMETER | 9.500 INCHES NOMINAL |
| CENTER PIN DIAMETER | 0.875 INCHES NOMINAL |
| BLOCK TYPE | REGULAR |
| SHEAVE QUANTITY | 3 |
| BEARING TYPE | PLAIN |
| SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED |
| TACKLE ACCOMMODATED TYPE | FIBROUS ROPE |
| MAXIMUM TACKLE DIAMETER ACCOMMODATED | 1.750 INCHES |
| TACKLE LOCKING DEVICE | NOT INCLUDED |
| BECKET TYPE | THIMBLE |
| BECKET QUANTITY | 1 |
| ANTITOPPLING DEVICE | NOT INCLUDED |
| ATTACHMENT STYLE | CHAIN SHACKLE |
| MAXIMUM LOAD RATING | 20000.0 POUNDS |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE |