Product Details | HUB CLAMP

3040-01-253-0941 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: 77C708661P009, 77C708661P9, 77C708661P9VM, 3040-01-253-0941, 01-253-0941, 3040012530941, 012530941

Mechanical Power Transmission Equipment | Miscellaneous Power Transmission Equipment

Supply Group (FSG) NSN Assign. NIIN
30 11 APR 1987 01-253-0941

Drawings & Photos | NSN 3040-01-253-0941


Cross Reference | NSN 3040-01-253-0941

Part Number Cage Code Manufacturer
77C708661P009 03538 LOCKHEED MARTIN CORPORATION DIV MST
77C708661P9 03538 LOCKHEED MARTIN CORPORATION DIV MST
77C708661P9VM 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG

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Technical Data | NSN 3040-01-253-0941

Characteristic Specifications
MATERIAL STEEL, QQ-S-764, TYPE 303, COND A-CANCELED
STYLE DESIGNATOR B3 ROUND, SINGLE BOLT SECURED
OUTSIDE DIAMETER 1.307 INCHES MINIMUM AND 1.317 INCHES MAXIMUM
THICKNESS 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
BORE DIAMETER 0.6250 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM
CLAMP SECURING HOLE STYLE 2 THREADED
SCREW THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD SIZE 0.190 INCHES
THREAD QUANTITY PER INCH 32
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION
MANUFACTURERS CODE 03538
DESIGN CONTROL REFERENCE 77C708661P9

Restrictions/Controls & Freight Information | NSN 3040-01-253-0941

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 095190 HARDWARE, NOI SUB 9
Less than car load rating Q 70
Less than truck load rating Q 70.0
Water commodity Code 713 unknown
Originating Activity Code HD Naval Inventory Control Point
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 3040-01-253-0941

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material IDVMEquipment and/or parts requiring special material control and quality assurance which support the non-magnetic signature of minesweepers.
Special Material ContentY Non-Magnetic (must remain free of strong magnetic field)
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