NSN 3940-00-489-8340
Part Details | TACKLE BLOCK
3940-00-489-8340 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: 83832381, 8383238-1, 83370211, 8337021-1, 3940-00-489-8340, 00-489-8340, 3940004898340, 004898340
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 39 | SEP 22, 1969 | 00-489-8340 | 06117 ( BLOCK, TACKLE ) |
REFERENCE DRAWINGS & PICTURES
DROP LINK
PEAR SHAPED SWIVEL EYE
OVAL PATTERN
Cross Reference | NSN 3940-00-489-8340
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8383238-1 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
| 8337021-1 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
Technical Data | NSN 3940-00-489-8340
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | 6 OVAL PATTERN |
| SHEAVE OUTSIDE DIAMETER | 12.000 INCHES NOMINAL |
| CENTER PIN DIAMETER | 1.751 INCHES MINIMUM AND 1.752 INCHES MAXIMUM |
| BLOCK TYPE | SNATCH |
| LOCKING STYLE | DROP LINK |
| SURFACE TREATMENT AND LOCATION | ENAMEL, TT-E-529 OVERALL |
| SHEAVE QUANTITY | 1 |
| BEARING TYPE | PLAIN |
| SHEAVE BEARING LUBRICATION METHOD | PRESSURE GREASE FITTING |
| TACKLE ACCOMMODATED TYPE | WIRE ROPE |
| MAXIMUM TACKLE DIAMETER ACCOMMODATED | 1.000 INCHES |
| TACKLE LOCKING DEVICE | INCLUDED |
| BECKET TYPE | SWIVEL EYE |
| BECKET QUANTITY | 1 |
| ANTITOPPLING DEVICE | NOT INCLUDED |
| ATTACHMENT STYLE | 1 PEAR SHAPED SWIVEL EYE |
| MAXIMUM LOAD RATING | 50000.0 POUNDS |