Part Details | TACKLE BLOCK
3940-00-072-0351 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: 3074V6, 3074V-6, GGGB490, GGG-B-490, 3940-00-072-0351, 00-072-0351, 3940000720351, 000720351
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 39 | JUL 27, 1967 | 00-072-0351 | 06117 ( BLOCK, TACKLE ) |
REFERENCE DRAWINGS & PICTURES
SAFETY LOCKING
PEAR SHAPED SWIVEL EYE
OVAL PATTERN
Cross Reference | NSN 3940-00-072-0351
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 3074V-6 | 80874 | COOPER INDUSTRIES INC |
| GGG-B-490 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
Technical Data | NSN 3940-00-072-0351
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | OVAL PATTERN |
| SHELL LENGTH | 6.000 INCHES NOMINAL |
| SHEAVE OUTSIDE DIAMETER | 3.000 INCHES NOMINAL |
| CENTER PIN DIAMETER | 0.500 INCHES NOMINAL |
| BLOCK TYPE | SNATCH |
| LOCKING STYLE | SAFETY LOCKING |
| 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 |
| ANTITOPPLING DEVICE | NOT INCLUDED |
| ATTACHMENT STYLE | 2 PEAR SHAPED SWIVEL EYE |
| MAXIMUM LOAD RATING | 3000.0 POUNDS |
| SPECIAL FEATURES | SHEAVE THICKNESS AT RIM MIN 1.125 IN. |
| NONDEFINITIVE SPEC/STD DATA | 3 TYPE |