Product Details | TACKLE BLOCK

3940-00-272-9305 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: H22R, 3940-00-272-9305, 00-272-9305, 3940002729305, 002729305

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

Supply Group (FSG) NSN Assign. NIIN
39 01 JAN 1963 00-272-9305

Drawings & Photos | NSN 3940-00-272-9305


Cross Reference | NSN 3940-00-272-9305

Part Number Cage Code Manufacturer
H22R 64921 WESTERN PLANT DIV OF THE CROSBY GROUP INC

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Technical Data | NSN 3940-00-272-9305

Characteristic Specifications
STYLE DESIGNATOR 2 OVAL PATTERN
SHELL LENGTH 7.000 INCHES NOMINAL
SHEAVE OUTSIDE DIAMETER 4.250 INCHES NOMINAL
CENTER PIN DIAMETER 0.500 INCHES NOMINAL
BLOCK TYPE REGULAR
MATERIAL AND LOCATION STEEL BEARING STEEL CENTER PIN STEEL SHEAVE WOOD SHELL
SURFACE TREATMENT AND LOCATION JAPAN OVERALL
SHEAVE QUANTITY 2
BEARING TYPE ROLLER
TACKLE ACCOMMODATED TYPE FIBROUS ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED 0.875 INCHES
TACKLE LOCKING DEVICE NOT INCLUDED
BECKET TYPE THIMBLE
BECKET QUANTITY 1
ANTITOPPLING DEVICE NOT INCLUDED
ATTACHMENT STYLE 33 SIDE HOOK, LOOSE
MAXIMUM LOAD RATING 3000.0 POUNDS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS AS DIFFERENTIATED BY SHELL LENGTH,SHEAVE OUTSIDE DIAMETER,CENTER PIN DIAMETER,MAXIMUM TACKLE DIAMETER ACCOMMODATED AND MAXIMUM LOAD RATING
MANUFACTURERS CODE 64921
DESIGN CONTROL REFERENCE H22R

Restrictions/Controls & Freight Information | NSN 3940-00-272-9305

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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information