Product Details | BRAKE DRUM

2530-00-770-5745 A circular shaped metal item designed to be connected to a machine or vehicle shaft or wheel and used to retard, stop or prevent motion by the application of pressure exerted by brake(s) or band(s).20316300032Aircraft Wheel and Brake Systems25300060Vehicular Brake, Steering, Axle, Wheel, and Track Components30400042Miscellaneous Power Transmission Equipment

Part Alternates: 45406, 45657, 45657D, 7705745, 924400, 2530-00-770-5745, 00-770-5745, 2530007705745, 007705745

Vehicular Equipment Components | Vehicular Brake, Steering, Axle, Wheel, and Track Components

Supply Group (FSG) NSN Assign. NIIN
25 01 JAN 1962 00-770-5745

Cross Reference | NSN 2530-00-770-5745

Part Number Cage Code Manufacturer
45406 09386 ALLIEDSIGNAL INC ALLIEDSIGNAL BRAKING SYSTEMS-WHEEL
45657 09386 ALLIEDSIGNAL INC ALLIEDSIGNAL BRAKING SYSTEMS-WHEEL
45657D 09386 ALLIEDSIGNAL INC ALLIEDSIGNAL BRAKING SYSTEMS-WHEEL
7705745 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
924400 12204 DAIMLER CHRYSLER

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Technical Data | NSN 2530-00-770-5745

Characteristic Specifications
MATERIAL AND LOCATION STEEL OVERALL
BRAKING SURFACE LOCATION INTERNAL
BRAKING SURFACE DIAMETER 14.155 INCHES MINIMUM AND 14.165 INCHES MAXIMUM
BRAKING SURFACE WIDTH 2.281 INCHES MINIMUM AND 2.313 INCHES MAXIMUM
OVERALL OUTSIDE DIAMETER 15.875 INCHES NOMINAL
OVERALL WIDTH 7.875 INCHES NOMINAL
CENTER HOLE DIAMETER 4.877 INCHES MINIMUM AND 4.881 INCHES MAXIMUM
MOUNTING HOLE QUANTITY 5
MOUNTING HOLE DIAMETER 0.938 INCHES NOMINAL
MOUNTING HOLE SPACING EQUALLY SPACED ON 6.872 IN. MIN,6.878 IN. MAX BOLT CIRCLE
ALIGNMENT HOLE QUANTITY 3
HOLE SIZE 0.406 IN. DIA
COUNTERSUNK HOLE ANGLE IN DEG 82.0
HOLE SPACING 1 HOLE OPPOSITE AND ON CENTER LINE OF A MTG HOLE,2 HOLES SPACED 36 DEG TO RIGHT AND LEFT OF SAME MTG HOLE,ALL ON MTG HOLE BOLT CIRCLE
COOLING FIN NOT INCLUDED
ADJUSTMENT HOLE NOT INCLUDED
INSPECTION HOLE NOT INCLUDED
OIL DRAIN HOLE NOT INCLUDED
BALANCING PAD INCLUDED
MANUFACTURERS CODE 12204
DESIGN CONTROL REFERENCE 924400

Restrictions/Controls & Freight Information | NSN 2530-00-770-5745

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
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 018380 AUTO BRAKE DRUMS R DISC BRAKE ROTOR
Less than car load rating
Less than truck load rating S 60.0
Water commodity Code 581 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 2530-00-770-5745

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
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.
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 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