Product Details | TACKLE BLOCK

3940-00-141-7248 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: B183P4IN, 3940-00-141-7248, 00-141-7248, 3940001417248, 001417248

Materials Handling Equipment | Blocks, Tackle, Rigging, and Slings

Supply Group (FSG) NSN Assign. NIIN
39 01 JAN 1963 00-141-7248

Drawings & Photos | NSN 3940-00-141-7248


Cross Reference | NSN 3940-00-141-7248

Part Number Cage Code Manufacturer
B183P4IN 78998 ANVIL INDUSTRIES INC CLEVELAND CITY FORGE

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Technical Data | NSN 3940-00-141-7248

Characteristic Specifications
STYLE DESIGNATOR 2 OVAL PATTERN
SHELL LENGTH 4.000 INCHES NOMINAL
SHEAVE OUTSIDE DIAMETER 2.250 INCHES NOMINAL
CENTER PIN DIAMETER 0.375 INCHES NOMINAL
BLOCK TYPE REGULAR
MATERIAL AND LOCATION STEEL BEARING STEEL CENTER PIN STEEL SHEAVE WOOD SHELL
SURFACE TREATMENT AND LOCATION ZINC, ELECTROLYTIC SHEAVE VARNISH SHELL
SHEAVE QUANTITY 3
BEARING TYPE PLAIN
TACKLE ACCOMMODATED TYPE FIBROUS ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED 0.500 INCHES
TACKLE LOCKING DEVICE NOT INCLUDED
ANTITOPPLING DEVICE NOT INCLUDED
ATTACHMENT STYLE 33 SIDE HOOK, LOOSE
MAXIMUM LOAD RATING 1325.0 POUNDS

Restrictions/Controls & Freight Information | NSN 3940-00-141-7248

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:AItem 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
NMF Description 127300 PULLEY BLOCKS/TCKLE/SNATCH/FAIRLDRS
Less than car load rating S 60
Less than truck load rating S 60.0
Water commodity Code 885 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable