Part Details | TACKLE BLOCK
3940-00-071-0387 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: 3043A, 3940-00-071-0387, 00-071-0387, 3940000710387, 000710387
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 39 | JAN 01, 1963 | 00-071-0387 | 06117 ( BLOCK, TACKLE ) |
REFERENCE DRAWINGS & PICTURES
PEAR SHAPED SWIVEL EYE
OVAL PATTERN
Cross Reference | NSN 3940-00-071-0387
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 3043A | 71110 | BREWER-TITCHNER CORPSUB JOSLYN MFG AND SUPPLY CO |
Technical Data | NSN 3940-00-071-0387
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | OVAL 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 | 3 |
| 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 | 0 PEAR SHAPED SWIVEL EYE |
| MAXIMUM LOAD RATING | 2500.0 POUNDS |