Product Details | AIR PRESSURE RELAY VALVE

2530-01-497-7185 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: S4721950330, 2530-01-497-7185, 01-497-7185, 2530014977185, 014977185

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

Supply Group (FSG) NSN Assign. NIIN
25 31 MAY 2002 01-497-7185

Drawings & Photos | NSN 2530-01-497-7185


Demand History | NSN 2530-01-497-7185

Part Number Request Date QTY Origin
S4721950330 2024-04-14 1 DIBBS
S4721950330 2023-03-07 1 DIBBS
S4721950330 2020-06-15 5 DIBBS
S4721950330 2020-06-04 1 DIBBS
S4721950330 2019-12-10 1 DIBBS
S4721950330 2019-07-25 1 DIBBS
2530-01-497-7185 2018-12-05 1 DIBBS
2530-01-497-7185 2015-11-05 2 DIBBS
2530-01-497-7185 2008-05-01 7 DIBBS
2530-01-497-7185 2008-04-05 1 DIBBS
2530-01-497-7185 2008-03-30 1 DIBBS
2530-01-497-7185 2008-03-30 2 DIBBS
2530-01-497-7185 2006-07-20 1 DIBBS

Cross Reference | NSN 2530-01-497-7185

Part Number Cage Code Manufacturer
S4721950330 78500 MERITOR HEAVY VEHICLE SYSTEMS LLC DIV MERITOR HEAVY VEHICLE SYSTEMS,

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Technical Data | NSN 2530-01-497-7185

Characteristic Specifications
BODY STYLE B10 MULTIPLE CONNECTION
END CONNECTION QUANTITY 3
FIRST END CONNECTION TYPE THREADED INTERNAL PIPE
FIRST END THREAD SERIES DESIGNATOR NPTF
FIRST END NOMINAL THREAD SIZE 0.750 INCHES
SECOND END RELATIONSHIP WITH FIRST END NOT IDENTICAL
SECOND END CONNECTION TYPE THREADED INTERNAL PIPE
SECOND END THREAD SERIES DESIGNATOR NPTF
SECOND END NOMINAL THREAD SIZE 0.375 INCHES
THIRD END RELATIONSHIP WITH PRECEDING ENDS IDENTICAL WITH SECOND END
MEDIA FOR WHICH DESIGNED AIR
SPECIAL FEATURES 1ST CONNECTION IS FOR SUPPLY, 2ND CONNECTION IS FOR DELIVERY, AND 3RD CONNECTION IS FOR CONTROL; HAS UNTHREADED 4TH OPENING (PORT) FOR EXHAUST; OPERATING PRESSURE IS 145 PSI; USE WITH BAYONET STYLE CABLE CONNECTORS
III END ITEM IDENTIFICATION BRAKE GROUP; FOR TRAILERS PRODUCED 4-1-99 OR LATER
III PART NAME ASSIGNED BY CONTROLLING AGENCY ABS RELAY VALVE

Restrictions/Controls & Freight Information | NSN 2530-01-497-7185

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.
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 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 2530-01-497-7185

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