NSN 3940-00-938-1708
Part Details | TACKLE BLOCK
3940-00-938-1708 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: 114E605823, 114E6058-23, 114E605823, 114E6058-23, 114E605823, 114E6058-23, 3940-00-938-1708, 00-938-1708, 3940009381708, 009381708
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 39 | MAR 17, 1967 | 00-938-1708 | 06117 ( BLOCK, TACKLE ) |
REFERENCE DRAWINGS & PICTURES
OBLONG SWIVEL EYE
HALF-OVAL PATTERN
Cross Reference | NSN 3940-00-938-1708
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 114E6058-23 | 92890 | ALL-STEEL FABRICATORS CO. INC. |
| 114E6058-23 | 65273 | COMPTECH |
| 114E6058-23 | 77272 | THE BOEING COMPANYDBA BOEING |
Technical Data | NSN 3940-00-938-1708
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | HALF-OVAL PATTERN |
| SHEAVE OUTSIDE DIAMETER | 4.120 INCHES MINIMUM AND 4.130 INCHES MAXIMUM |
| CENTER PIN DIAMETER | 0.570 INCHES MINIMUM AND 0.561 INCHES MAXIMUM |
| BLOCK TYPE | REGULAR |
| MATERIAL AND LOCATION | STEEL, CORROSION RESISTING OVERALL |
| SHEAVE QUANTITY | 1 |
| BEARING TYPE | BALL |
| SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED |
| TACKLE ACCOMMODATED TYPE | WIRE ROPE |
| MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.062 INCHES |
| TACKLE LOCKING DEVICE | NOT INCLUDED |
| BECKET TYPE | SWIVEL EYE AND THIMBLE |
| BECKET QUANTITY | 1 |
| ANTITOPPLING DEVICE | INCLUDED |
| ATTACHMENT STYLE | OBLONG SWIVEL EYE |
| MAXIMUM LOAD RATING | 480.0 POUNDS |