Product Details | AIR PRESSURE RELAY VALVE

2530-00-604-6494 A valve specifically designed for installation in an air brake system. It is used on trailers, long wheel base vehicles, as well as multiple rear axle vehicles. It serves to speed and synchronize the application and release of air operated service or parking brakes. It may include emergency features for trailer application.

Part Alternates: MP20029, MP2-0029, 281869, 2530-00-604-6494, 00-604-6494, 2530006046494, 006046494

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

Supply Group (FSG) NSN Assign. NIIN
25 22 JAN 1975 00-604-6494

Drawings & Photos | NSN 2530-00-604-6494


Demand History | NSN 2530-00-604-6494

Part Number Request Date QTY Origin
281869 2023-02-52 1 DIBBS
KP0-0216 2023-02-52 1 DIBBS

Cross Reference | NSN 2530-00-604-6494

Part Number Cage Code Manufacturer
281869 06853 BENDIX COMMERCIAL VEHICLE SYSTEMS LLC
281869 26697 MANITEX LOAD KING, INC. DIV LOAD KING
MP2-0029 26697 MANITEX LOAD KING, INC. DIV LOAD KING

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Technical Data | NSN 2530-00-604-6494

Characteristic Specifications
BODY STYLE B10 MULTIPLE CONNECTION
BODY MATERIAL ZINC ALLOY
FLOW CONTROL DEVICE PISTON, SPRING LOADED
END CONNECTION QUANTITY 6
FIRST END CONNECTION TYPE THREADED INTERNAL PIPE
FIRST END STYLE DESIGNATOR G11 PLAIN
FIRST END NOMINAL PIPE SIZE ACCOMMODATED 0.750 INCHES
FIRST END THREAD DIRECTION RIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST END NOT IDENTICAL
SECOND END CONNECTION TYPE THREADED INTERNAL PIPE
SECOND END STYLE DESIGNATOR G7 FLARE
SECOND END NOMINAL PIPE SIZE ACCOMMODATED 0.375 INCHES
SECOND END THREAD DIRECTION RIGHT-HAND
THIRD END RELATIONSHIP WITH PRECEDING ENDS NOT IDENTICAL WITH FIRST OR SECOND END
THIRD END CONNECTION TYPE THREADED INTERNAL PIPE
THIRD END STYLE DESIGNATOR G11 PLAIN
THIRD END NOMINAL PIPE SIZE ACCOMMODATED 0.250 INCHES
THIRD END THREAD DIRECTION RIGHT-HAND
FOURTH END RELATIONSHIP WITH PRECEDING ENDS IDENTICAL WITH THIRD END
MEDIA FOR WHICH DESIGNED AIR
SPECIAL FEATURES 2 ADDITIONAL 1/4-18NPT PORTS;FURNISHED W/TWO 1/4 PT TEES

Restrictions/Controls & Freight Information | NSN 2530-00-604-6494

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 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating P 77.5
Less than truck load rating P 77.5
Water commodity Code 885 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 2530-00-604-6494

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
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.
Echelon Identification CodeBConsumable Repair Parts
Physical Category Code1Bin
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