Product Details | TACKLE BLOCK

3940-00-291-1161 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: S1801F921816PC1THRU1417THRU29, S1801F921816PC1THRU14-17THRU29, 8052555040, 805-2555040, 22608162, 2260816-2, 3940-00-291-1161, 00-291-1161, 3940002911161, 002911161

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

Supply Group (FSG) NSN Assign. NIIN
39 01 JAN 1963 00-291-1161

Drawings & Photos | NSN 3940-00-291-1161


Demand History | NSN 3940-00-291-1161

Part Number Request Date QTY Origin
3940-00-291-1161 2024-10-301 6 DIBBS
3940-00-291-1161 2022-05-140 1 United States
3940-00-291-1161 2020-07-201 14 DIBBS
3940-00-291-1161 2020-05-125 9 DIBBS
3940-00-291-1161 2020-02-57 1 ES
3940-00-291-1161 2018-11-305 17 DIBBS
3940-00-291-1161 2018-10-287 7 DIBBS
3940-00-291-1161 2018-08-218 1 US
3940-00-291-1161 2018-08-217 16 DIBBS
3940-00-291-1161 2018-05-151 19 DIBBS
3940-00-291-1161 2018-05-122 9 DIBBS
3940-00-291-1161 2018-04-115 1 United States
3940-00-291-1161 2018-04-101 6 DIBBS
3940-00-291-1161 2017-01-24 7 DIBBS
3940-00-291-1161 2016-04-115 9 DIBBS
3940-00-291-1161 2016-01-24 7 DIBBS
3940-00-291-1161 2014-01-22 15 DIBBS
3940-00-291-1161 2012-07-202 1 DIBBS
3940-00-291-1161 2012-05-151 15 DIBBS
3940-00-291-1161 2012-05-125 2 DIBBS
3940-00-291-1161 2012-04-114 6 DIBBS
3940-00-291-1161 2012-04-103 12 DIBBS

Cross Reference | NSN 3940-00-291-1161

Part Number Cage Code Manufacturer
2260816-2 80064 NAVAL SHIP SYSTEMS COMMAND
805-2555040 80064 NAVAL SHIP SYSTEMS COMMAND
805-2555040 81898 SUPERVISOR OF SHIPBUILDING CONVERSION AND REPAIR USN
S1801F921816PC1THRU14-17THRU29 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 3940-00-291-1161

Characteristic Specifications
SHELL LENGTH 12.750 INCHES NOMINAL
SHEAVE OUTSIDE DIAMETER 6.000 INCHES NOMINAL
CENTER PIN DIAMETER 1.247 INCHES NOMINAL
BLOCK TYPE REGULAR
MATERIAL AND LOCATION BRASS BEARING STEEL CENTER PIN BRASS SHEAVE STEEL SHELL
SURFACE TREATMENT AND LOCATION ZINC, ELECTROLYTIC SHELL
SHEAVE QUANTITY 2
BEARING TYPE PLAIN
TACKLE ACCOMMODATED TYPE FIBROUS ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED 1.625 INCHES
TACKLE LOCKING DEVICE NOT INCLUDED
ANTITOPPLING DEVICE NOT INCLUDED
ATTACHMENT STYLE 18 FLATTED LOOSE SWIVEL SAFETY SNAP HOOK
MAXIMUM LOAD RATING 800.0 POUNDS
MANUFACTURERS CODE 80064
DESIGN CONTROL REFERENCE S1801F921816PC1THRU14-17THRU29

Restrictions/Controls & Freight Information | NSN 3940-00-291-1161

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
Less than truck load rating S 60.0
Water commodity Code 885 unknown
Originating Activity Code XX
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 3940-00-291-1161

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