Product Details | HUB CLAMP

3040-01-294-7231 An item designed to be mounted around the extended hub portion of a gear, wheel, or the like, to retain it securely to a shaft by compressing the slotted hub body. The item may also be used to clamp around a shaft, or the like, to prevent end motion or to retain it in position. Its compression quality is derived from a screw(s) or bolt(s) which may be a part of the item of supply. For items designed to secure directly to a shaft by use of setscrews, pins, or the like, see COLLAR, SHAFT. Excludes CLAMP, LOOP.

Part Alternates: 5186925, 51869252, 5186925-2, 5189738002, 5189738-002, 3040-01-294-7231, 01-294-7231, 3040012947231, 012947231

Mechanical Power Transmission Equipment | Miscellaneous Power Transmission Equipment

Supply Group (FSG) NSN Assign. NIIN
30 22 FEB 1989 01-294-7231

Drawings & Photos | NSN 3040-01-294-7231


Demand History | NSN 3040-01-294-7231

Part Number Request Date QTY Origin
3040-01-294-7231 2025-07-198 1 DIBBS
3040-01-294-7231 2025-07-198 1 DIBBS
3040-01-294-7231 2025-07-198 3 DIBBS
3040-01-294-7231 2025-07-182 1 DIBBS
3040-01-294-7231 2025-04-91 1 DIBBS
3040-01-294-7231 2019-05-147 58 DIBBS

Cross Reference | NSN 3040-01-294-7231

Part Number Cage Code Manufacturer
5186925 53711 NAVAL SEA SYSTEMS COMMAND
5186925-2 53711 NAVAL SEA SYSTEMS COMMAND
5189738-002 53711 NAVAL SEA SYSTEMS COMMAND

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Technical Data | NSN 3040-01-294-7231

Characteristic Specifications
MATERIAL STEEL, FED STD 66, AISI 416/SAE 51416
SURFACE TREATMENT PASSIVATED, MIL-S-5002
STYLE DESIGNATOR B7 RECTANGULAR, SINGLE BOLT SECURED
THICKNESS 0.240 INCHES NOMINAL
OVERALL LENGTH 0.480 INCHES NOMINAL
OVERALL WIDTH 0.438 INCHES NOMINAL
BORE DIAMETER 0.3120 INCHES NOMINAL
DISTANCE FROM BORE CENTERLINE TO END 0.515 INCHES NOMINAL
CLAMP SECURING HOLE STYLE 2 THREADED
PLAIN HOLE DIAMETER 0.1720 INCHES NOMINAL
SCREW THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD SIZE 0.138 INCHES
SPECIAL FEATURES HOLE DRILLED THRU BODY 0.063 IN. DIA

Restrictions/Controls & Freight Information | NSN 3040-01-294-7231

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 190500 VEHICLE PARTS GROUP
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 593 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
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 3040-01-294-7231

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 CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable 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 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
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