Product Details | AIR PRESSURE RELAY VALVE

2530-00-756-8903 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: N12916AE, 592695C91, 997075R91, 237291R91, 2530-00-756-8903, 00-756-8903, 2530007568903, 007568903

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

Supply Group (FSG) NSN Assign. NIIN
25 01 JAN 1960 00-756-8903

Drawings & Photos | NSN 2530-00-756-8903


Cross Reference | NSN 2530-00-756-8903

Part Number Cage Code Manufacturer
237291R91 92679 NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION
592695C91 92679 NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION
997075R91 92679 NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION
N12916AE 06721 HALDEX BRAKE PRODUCTS CORPORATION DIV BREAK PRODUCTS DIVISION
N12916AE 24617 GENERAL MOTORS CORP
N12916AE 7X677 GENERAL MOTORS LLC DBA GENERAL MOTORS

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Technical Data | NSN 2530-00-756-8903

Characteristic Specifications
BODY STYLE A2 TEE
BODY MATERIAL ALUMINUM ALLOY
FLOW CONTROL DEVICE DIAPHRAGM
FLOW CONTROL DEVICE MATERIAL RUBBER, SYNTHETIC
END CONNECTION QUANTITY 4
FIRST END CONNECTION TYPE THREADED INTERNAL PIPE
FIRST END STYLE DESIGNATOR G11 PLAIN
FIRST END NOMINAL PIPE SIZE ACCOMMODATED 0.840 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 G11 PLAIN
SECOND END NOMINAL PIPE SIZE ACCOMMODATED 0.540 INCHES
SECOND END THREAD DIRECTION RIGHT-HAND
THIRD END RELATIONSHIP WITH PRECEDING ENDS IDENTICAL WITH SECOND END
FOURTH END RELATIONSHIP WITH PRECEDING ENDS NOT IDENTICAL WITH FIRST, SECOND OR THIRD END
FOURTH END CONNECTION TYPE UNTHREADED INTERNAL PIPE
FOURTH END STYLE DESIGNATOR H1 SOCKET
FOURTH END NOMINAL PIPE SIZE ACCOMMODATED 0.580 INCHES
TEMP ADJUSTABILITY NOT ADJUSTABLE
MEDIA FOR WHICH DESIGNED AIR
TEMP RATING NOT RATED

Restrictions/Controls & Freight Information | NSN 2530-00-756-8903

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 039740 PHOTOGRAPHERS MATERIALS NOI
Less than car load rating J 100.2
Less than truck load rating J 100.2
Water commodity Code 756 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 P Photographic supplies and equipment, including training films.
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 2530-00-756-8903

Category Code Description
Materiel Category and Inventory ManagerG Communications and Electronics Equipment, Electronics Materiel
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment1 REPARABLE ITEMS (Exclusive of Insurance and Provisioning Items.) This code will be used to identify serviceable or unserviceable items of a durable nature which when unserviceable normally can be repaired economically by depots or lower echelons of maintenance.
Specific Group/Generic CodeS Surveillance Target Acquisition and Night Observation (STANO)
Weapons Systems/End Item or Homogeneous GroupSCAirborne Sensor
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 SupplyB16US Army Communications-Electronics
Command and Fort Monmouth
Fort Monmouth, NJ 07703-5016
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityHIf condemned or uneconomically repairable, then dispose at Intermediate level.
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each