NSN 3940-00-053-8890 3940BL0AL720, 00-053-8890, 000538890
Product Details | TACKLE BLOCK
3940-00-053-8890 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.
Part Alternates: 3940BL0AL720, 3940-00-053-8890, 00-053-8890, 3940000538890, 000538890
Materials Handling Equipment | Blocks, Tackle, Rigging, and Slings
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 39 | 01 JAN 1961 | 00-053-8890 | 06117 ( BLOCK, TACKLE ) |
Drawings & Photos | NSN 3940-00-053-8890
Cross Reference | NSN 3940-00-053-8890
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 3940BL0AL720 | 89227 | MARITIME ADMINISTRATION |
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Technical Data | NSN 3940-00-053-8890
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | 1 OVAL PATTERN |
| SHELL LENGTH | ANY ACCEPTABLE |
| SHEAVE OUTSIDE DIAMETER | 20.000 INCHES NOMINAL |
| CENTER PIN DIAMETER | 2.500 INCHES NOMINAL |
| BLOCK TYPE | REGULAR |
| MATERIAL AND LOCATION | BRONZE BEARING STEEL CENTER PIN BRONZE SHEAVE STEEL SHELL |
| SURFACE TREATMENT AND LOCATION | ANY ACCEPTABLE |
| SHEAVE QUANTITY | 5 |
| BEARING TYPE | PLAIN |
| SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED |
| TACKLE ACCOMMODATED TYPE | WIRE ROPE |
| MAXIMUM TACKLE DIAMETER ACCOMMODATED | 1.125 INCHES |
| TACKLE LOCKING DEVICE | NOT INCLUDED |
| ANTITOPPLING DEVICE | NOT INCLUDED |
| ATTACHMENT STYLE | 14 OBLONG LINK |
| MAXIMUM LOAD RATING | NOT RATED |
| SPECIAL FEATURES | W/ FOUR EARED REVERSE SHACKEL |
Restrictions/Controls & Freight Information | NSN 3940-00-053-8890
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||