Product Details | TACKLE BLOCK

3940-01-353-7988 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: H301C4, 3940-01-353-7988, 01-353-7988, 3940013537988, 013537988

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

Supply Group (FSG) NSN Assign. NIIN
39 16 FEB 1992 01-353-7988

Drawings & Photos | NSN 3940-01-353-7988


Cross Reference | NSN 3940-01-353-7988

Part Number Cage Code Manufacturer
H301C4 75535 CROSBY GROUP INC DBA NATIONAL SWAGE

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Technical Data | NSN 3940-01-353-7988

Characteristic Specifications
STYLE DESIGNATOR 1 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 IRON SHELL IRON BEARING
SHEAVE QUANTITY 1
TACKLE ACCOMMODATED TYPE FIBROUS ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED 0.250 INCHES
TACKLE LOCKING DEVICE NOT INCLUDED
ANTITOPPLING DEVICE NOT INCLUDED
ATTACHMENT STYLE 21 FRONT EYE FLATTED LOOSE HOOK
MAXIMUM LOAD RATING 1100.0 POUNDS

Restrictions/Controls & Freight Information | NSN 3940-01-353-7988

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