NSN 3940-00-879-2133
Part Details | TACKLE BLOCK
3940-00-879-2133 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: GGGB490, GGG-B-490, 3940-00-879-2133, 00-879-2133, 3940008792133, 008792133
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 39 | JAN 01, 1962 | 00-879-2133 | 06117 ( BLOCK, TACKLE ) |
REFERENCE DRAWINGS & PICTURES
OBLONG SWIVEL EYE
ROUND PATTERN
Cross Reference | NSN 3940-00-879-2133
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| GGG-B-490 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
Technical Data | NSN 3940-00-879-2133
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | ROUND PATTERN |
| SHELL LENGTH | 6.000 INCHES NOMINAL |
| SHEAVE OUTSIDE DIAMETER | 3.500 INCHES NOMINAL |
| CENTER PIN DIAMETER | 0.500 INCHES NOMINAL |
| BLOCK TYPE | REGULAR |
| SURFACE TREATMENT AND LOCATION | ZINC, ELECTROLYTIC OVERALL |
| SHEAVE QUANTITY | 1 |
| BEARING TYPE | PLAIN |
| SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED |
| TACKLE ACCOMMODATED TYPE | FIBROUS ROPE |
| MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.750 INCHES |
| TACKLE LOCKING DEVICE | NOT INCLUDED |
| BECKET TYPE | THIMBLE |
| BECKET QUANTITY | 1 |
| ANTITOPPLING DEVICE | NOT INCLUDED |
| ATTACHMENT STYLE | 6 OBLONG SWIVEL EYE |
| MAXIMUM LOAD RATING | 2000.0 POUNDS |
| SPECIAL FEATURES | SHEAVE THICKNESS AT RIM MIN 1.000 IN. |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE |