NSN 3940-01-491-0456
Part Details | TACKLE BLOCK
3940-01-491-0456 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: M903268E, 8004287, 5716580814 ITEM 18, 571-6580814 ITEM 18, 3940-01-491-0456, 01-491-0456, 3940014910456, 014910456
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 39 | OCT 11, 2001 | 01-491-0456 | 06117 ( BLOCK, TACKLE ) |
REFERENCE DRAWINGS & PICTURES
OBLONG SWIVEL EYE AND SHACKLE
ROUND PATTERN
Cross Reference | NSN 3940-01-491-0456
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| M903268E | 76257 | CROSBY GROUP INC THEMCKISSICK PLANT DIV |
| 8004287 | 76257 | CROSBY GROUP INC THEMCKISSICK PLANT DIV |
| 571-6580814 ITEM 18 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 3940-01-491-0456
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | ROUND PATTERN |
| SHELL LENGTH | 31.120 INCHES NOMINAL |
| SHEAVE OUTSIDE DIAMETER | 18.000 INCHES NOMINAL |
| BLOCK TYPE | REGULAR |
| MATERIAL AND LOCATION | STEEL OVERALL |
| SURFACE TREATMENT AND LOCATION | GALVANIZED OVERALL |
| SHEAVE QUANTITY | 1 |
| BEARING TYPE | ROLLER |
| SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED |
| TACKLE ACCOMMODATED TYPE | WIRE ROPE |
| TACKLE LOCKING DEVICE | NOT INCLUDED |
| BECKET TYPE | ROUND EYE |
| BECKET QUANTITY | 1 |
| ATTACHMENT STYLE | 8 OBLONG SWIVEL EYE AND SHACKLE |
| MAXIMUM LOAD RATING | 28000.0 POUNDS |
| SPECIAL FEATURES | PROOF TEST TO 28 TONS |
| END ITEM IDENTIFICATION | CARGO BOOM |