Part Details | TACKLE BLOCK
3940-00-283-7690 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: 418 4 12 INCH, 418 4 1/2 INCH, 418, 481, 108065, 6405291, 752640529169, 752-6405291-69, 2624747, 3940-00-283-7690, 00-283-7690, 3940002837690, 002837690
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 39 | AUG 28, 1973 | 00-283-7690 | 06117 ( BLOCK, TACKLE ) |
REFERENCE DRAWINGS & PICTURES
SAFETY LOCKING
PEAR SHAPED SWIVEL EYE
OVAL PATTERN
Cross Reference | NSN 3940-00-283-7690
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 418 4 1/2 INCH | 76257 | CROSBY GROUP INC THEMCKISSICK PLANT DIV |
| 418 | 76257 | CROSBY GROUP INC THEMCKISSICK PLANT DIV |
| 481 | 75535 | CROSBY GROUP INCDBA NATIONAL SWAGE |
| 108065 | 75535 | CROSBY GROUP INCDBA NATIONAL SWAGE |
| 6405291 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 752-6405291-69 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 2624747 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 3940-00-283-7690
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | 9 OVAL PATTERN |
| SHELL LENGTH | 7.375 INCHES MINIMUM AND 7.625 INCHES MAXIMUM |
| SHEAVE OUTSIDE DIAMETER | 4.125 INCHES MINIMUM AND 4.375 INCHES MAXIMUM |
| BLOCK TYPE | SNATCH |
| LOCKING STYLE | SAFETY LOCKING |
| SHEAVE QUANTITY | 1 |
| BEARING TYPE | PLAIN |
| SHEAVE BEARING LUBRICATION METHOD | PRESSURE GREASE FITTING |
| TACKLE ACCOMMODATED TYPE | WIRE ROPE |
| MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.500 INCHES |
| TACKLE LOCKING DEVICE | NOT INCLUDED |
| ANTITOPPLING DEVICE | NOT INCLUDED |
| ATTACHMENT STYLE | 2 PEAR SHAPED SWIVEL EYE |
| MAXIMUM LOAD RATING | 26000.0 POUNDS |