Product Details | TACKLE BLOCK

3940-00-071-0386 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: 3043A, 3940-00-071-0386, 00-071-0386, 3940000710386, 000710386

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

Supply Group (FSG) NSN Assign. NIIN
39 01 JAN 1963 00-071-0386

Drawings & Photos | NSN 3940-00-071-0386


Cross Reference | NSN 3940-00-071-0386

Part Number Cage Code Manufacturer
3043A 71110 BREWER-TITCHNER CORP SUB JOSLYN MFG AND SUPPLY CO

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Technical Data | NSN 3940-00-071-0386

Characteristic Specifications
STYLE DESIGNATOR 2 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
MATERIAL AND LOCATION BRONZE BEARING STEEL CENTER PIN STEEL SHEAVE STEEL SHELL
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 22 FRONT EYE ROUND LOOSE HOOK AND 31 STIFF, UPSET SWIVEL SHACKLE
MAXIMUM LOAD RATING 2500.0 POUNDS

Restrictions/Controls & Freight Information | NSN 3940-00-071-0386

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
No Freight Information