Product Details | TACKLE BLOCK

3940-01-435-6371 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: 12366387, 563012, 3940-01-435-6371, 01-435-6371, 3940014356371, 014356371

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

Supply Group (FSG) NSN Assign. NIIN
39 29 AUG 1996 01-435-6371

Drawings & Photos | NSN 3940-01-435-6371


Demand History | NSN 3940-01-435-6371

Part Number Request Date QTY Origin
12366387 2025-10-302 23 DIBBS
SKM-563012.03 2025-10-302 23 DIBBS
12366387 2025-04-91 24 DIBBS
SKM-563012.03 2025-04-91 24 DIBBS
12366387 2024-09-260 21 DIBBS
SKM-563012.03 2024-09-260 21 DIBBS
12366387 2024-01-24 21 DIBBS
SKM-563012.03 2024-01-24 21 DIBBS
12366387 2023-04-103 23 DIBBS
SKM-563012.03 2023-04-103 23 DIBBS
12366387 2023-04-93 23 DIBBS
SKM-563012.03 2023-04-93 23 DIBBS
12366387 2023-02-59 7 DIBBS
SKM-563012.03 2023-02-59 7 DIBBS
3940-01-435-6371 2023-02-55 2 MANUAL
12366387 2023-02-53 16 DIBBS
SKM-563012.03 2023-02-53 16 DIBBS
12366387 2022-10-291 7 DIBBS
563012 2022-10-291 7 DIBBS
12366387 2022-10-278 7 DIBBS
563012 2022-10-278 7 DIBBS
12366387 2019-08-233 19 DIBBS
563012 2019-08-233 19 DIBBS
12366387 2019-05-121 28 DIBBS
563012 2019-05-121 28 DIBBS
3940-01-435-6371 2018-11-317 19 DIBBS
3940-01-435-6371 2018-06-176 17 DIBBS
3940-01-435-6371 2018-06-164 17 DIBBS
3940-01-435-6371 2018-05-137 25 DIBBS
3940-01-435-6371 2018-05-126 25 DIBBS
3940-01-435-6371 2018-03-74 20 DIBBS
3940-01-435-6371 2018-03-63 20 DIBBS
3940-01-435-6371 2017-10-296 25 DIBBS
3940-01-435-6371 2017-10-295 26 DIBBS
3940-01-435-6371 2017-08-215 25 DIBBS
3940-01-435-6371 2017-02-55 25 DIBBS
3940-01-435-6371 2017-02-43 25 DIBBS
3940-01-435-6371 2016-07-199 29 DIBBS
3940-01-435-6371 2015-02-50 44 DIBBS
3940-01-435-6371 2015-02-39 44 DIBBS
3940-01-435-6371 2013-02-51 0 DIBBS
3940-01-435-6371 2012-08-244 12 DIBBS
3940-01-435-6371 2012-08-222 11 DIBBS
3940-01-435-6371 2012-08-216 12 DIBBS
3940-01-435-6371 2010-04-113 25 DIBBS
3940-01-435-6371 2010-03-84 8 DIBBS
3940-01-435-6371 2010-02-36 24 DIBBS
3940-01-435-6371 2009-11-310 6 DIBBS

Cross Reference | NSN 3940-01-435-6371

Part Number Cage Code Manufacturer
12366387 06085 BAE SYSTEMS LAND & ARMAMENTS L.P.
12366387 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
563012 95975 ULVEN MACHINERY COMPANY, INC DBA SKOOKUM

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Technical Data | NSN 3940-01-435-6371

Characteristic Specifications
STYLE DESIGNATOR 12 HOISTER PATTERN
SHELL LENGTH 14.375 INCHES NOMINAL
SHEAVE OUTSIDE DIAMETER 7.000 INCHES NOMINAL
BLOCK TYPE SNATCH
MATERIAL AND LOCATION STEEL SHELL AND MANGANESE BRONZE SHEAVE
SHEAVE QUANTITY 1
TACKLE ACCOMMODATED TYPE WIRE ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED 0.375 INCHES
TACKLE LOCKING DEVICE NOT INCLUDED
ATTACHMENT STYLE 28 DRILLED SWIVEL EYE AND SHACKLE
MAXIMUM LOAD RATING 13000.0 POUNDS
SPECIAL FEATURES SWIVEL SHACKLE STYLE, WITH BRONZE BEARINGS AND MANGANESE SHEAVES.
III END ITEM IDENTIFICATION (ZLA), RECOVERY VEHICLE FU.

Restrictions/Controls & Freight Information | NSN 3940-01-435-6371

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.
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
NMF Description 127300 PULLEY BLOCKS/TCKLE/SNATCH/FAIRLDRS
Less than car load rating
Less than truck load rating S 60.0
Water commodity Code 793 unknown
Originating Activity Code CH Defense Supply Center Richmond
Richmond, VA 23297
Air Dimension Code Z Shipment is not a consolidation, but does exceed 72 inches in one or more dimensions.
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 3940-01-435-6371

Category Code Description
Materiel Category and Inventory ManagerJ Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeN Nonexpendable item. An item of Army property coded with an ARC of?N?in the AMDF. Nonexpendable items require property book accountability after issue from the stock record account. Commercial and fabricated items similar to items coded ?N? in the AMDF are considered nonexpendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code5Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Physical Category Code1Bin
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each