Product Details | TACKLE BLOCK

3940-00-461-1539 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: MILB24141, 4084HU, 3940-00-461-1539, 00-461-1539, 3940004611539, 004611539

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

Supply Group (FSG) NSN Assign. NIIN
39 21 JAN 1970 00-461-1539

Drawings & Photos | NSN 3940-00-461-1539


Demand History | NSN 3940-00-461-1539

Part Number Request Date QTY Origin
3940-00-461-1539 2012-01-03 12 DIBBS
3940-00-461-1539 2011-07-189 12 DIBBS

Cross Reference | NSN 3940-00-461-1539

Part Number Cage Code Manufacturer
4084HU 71110 BREWER-TITCHNER CORP SUB JOSLYN MFG AND SUPPLY CO
MILB24141 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 3940-00-461-1539

Characteristic Specifications
STYLE DESIGNATOR 1 OVAL PATTERN
SHELL LENGTH ANY ACCEPTABLE
SHEAVE OUTSIDE DIAMETER 18.000 INCHES NOMINAL
CENTER PIN DIAMETER 1.500 INCHES NOMINAL
BLOCK TYPE SNATCH
LOCKING STYLE 1 SAFETY LOCKING
MATERIAL AND LOCATION BRONZE BEARING STEEL, FED STD 66, AISI/SAE 1040 CENTER PIN STEEL, QQ-S-681 SHEAVE IRON, ASTM A47 SHELL AND STEEL, CARBON, QQ-S-633-CANCELED SHELL AND STEEL, QQ-S-681 SHELL
SURFACE TREATMENT AND LOCATION ZINC, HOT DIP OVERALL
SHEAVE QUANTITY 1
BEARING TYPE PLAIN
SHEAVE BEARING LUBRICATION METHOD SELF-LUBRICATED
TACKLE ACCOMMODATED TYPE WIRE ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED 1.000 INCHES
TACKLE LOCKING DEVICE NOT INCLUDED
ANTITOPPLING DEVICE NOT INCLUDED
ATTACHMENT STYLE 2 OBLONG SWIVEL EYE AND SHACKLE
MAXIMUM LOAD RATING 20000.0 POUNDS
NONDEFINITIVE SPEC/STD DATA 3 TYPE
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MILB24141

Restrictions/Controls & Freight Information | NSN 3940-00-461-1539

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
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 JS Naval ICP
Mechanicsburg, PA 17055-0788
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

Management | NSN 3940-00-461-1539

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each