Product Details | HUB CLAMP

3040-00-439-6248 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: 7791013, 3040-00-439-6248, 00-439-6248, 3040004396248, 004396248

Mechanical Power Transmission Equipment | Miscellaneous Power Transmission Equipment

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-439-6248

Drawings & Photos | NSN 3040-00-439-6248


Cross Reference | NSN 3040-00-439-6248

Part Number Cage Code Manufacturer
7791013 19204 ARMY UNITED STATES DEPARTMENT OF THE

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Technical Data | NSN 3040-00-439-6248

Characteristic Specifications
MATERIAL STEEL QQ-S-637 COMP 1137,1141
SURFACE TREATMENT PHOSPHATE
STYLE DESIGNATOR B1 ROUND W/EXTENDED CLAMPING DEVICE
THICKNESS 0.493 INCHES NOMINAL
OVERALL LENGTH 2.167 INCHES NOMINAL
OVERALL WIDTH 2.020 INCHES NOMINAL
BORE DIAMETER 1.8300 INCHES NOMINAL
DISTANCE FROM BORE CENTERLINE TO END 1.289 INCHES NOMINAL
CLAMP SECURING HOLE STYLE 3 THREADED
PLAIN HOLE DIAMETER 0.2030 INCHES NOMINAL
COUNTERBORE DIAMETER 0.3740 INCHES NOMINAL
NOMINAL THREAD SIZE 0.190 INCHES
MANUFACTURERS CODE 19204
DESIGN CONTROL REFERENCE 7791013

Restrictions/Controls & Freight Information | NSN 3040-00-439-6248

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:DMunitions List Item or Commerce Control List Item. Demilitarization required. Total destruction of the item and components so as to preclude restoration or repair to a usable condition by melting, cutting, tearing, scratching, crushing, breaking, punching, neutralizing, etc. (As an alternate, burial or deep water dumping may be used when coordinated with the DoD Demilitarization Program Office.)
Controlled Inventory Item Code:NFIREARMS PIECE PARTS AND NONLETHAL FIREARMS
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 145800 BOMB/GUN SIGHTS/PARTS IN BXS
Less than car load rating
Less than truck load rating B 300.0
Water commodity Code 682 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 3040-00-439-6248

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 CodeH Individual and Crew-Served Weapons
Weapons Systems/End Item or Homogeneous GroupHNLauncher, Grenade, 40mm, M79
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 CodeNFIREARMS PIECE PARTS AND NONLETHAL FIREARMS
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code6Critical Repair Part to a Non-Combat Essential End Item. Those parts or components whose failure in a noncombat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management Code3Engineer Materiel19; 20; 22; 24; 30; 32; 34 except 3470; 36; 37; 38; 41; 42 except 4210; 43; 45; 46; 47; 48; 4930; 54 except 5445; 56; 62; 66 except 6625, 6650, 6660, 6665; 67; 68
Echelon Management Code6ICP/DSSCs Weapon system-oriented consumable items assigned to another Service/Agency for integrated materiel management which are managed by the ICP on a complex basis and which have not been decontrolled by the Integrated Materiel Manager.
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 CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeJPILFERAGE - PILFERAGE CONTROLS MAY BE DESIGNATED BY THE CODING ACTIVITY TO ITEMS CODED U (UNCLASSIFIED) BY RECORDING THE ITEM TO J.
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 CodeNFIREARMS PIECE PARTS AND NONLETHAL FIREARMS
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each