Product Details | VENT VALVE

4820-01-073-4103 A valve designed to relieve internal pressure from gear housings, automotive axles, differentials, transmissions and the like. May or may not be threaded on one end. For items with relief pressure ratings see VALVE (1), SAFETY RELIEF.

Part Alternates: DAX10775, 12267294, 12288032, 4820-01-073-4103, 01-073-4103, 4820010734103, 010734103

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 15 MAR 1979 01-073-4103

Drawings & Photos | NSN 4820-01-073-4103


Demand History | NSN 4820-01-073-4103

Part Number Request Date QTY Origin
4820-01-073-4103 2017-04-96 12 DIBBS
4820-01-073-4103 2017-03-85 12 DIBBS

Cross Reference | NSN 4820-01-073-4103

Part Number Cage Code Manufacturer
12267294 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
12267294 99036 THOMAS/EUCLID INDUSTRIES INC DBA EUCLID MACHINE CO
12288032 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
12288032 99036 THOMAS/EUCLID INDUSTRIES INC DBA EUCLID MACHINE CO
DAX10775 73342 ALLISON TRANSMISSION, INC.

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Technical Data | NSN 4820-01-073-4103

Characteristic Specifications
MATERIAL STEEL OVERALL
STYLE DESIGNATOR A1 STRAIGHT THRU
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END THREADED INTERNAL TUBE 2ND END
CONNECTION STYLE G44 COMPRESSION 1ST END G11 DOUBLE COMPRESSION 2ND END
SEAT ANGLE 25.0 DEGREES 2ND END
SEAT NOMINAL RADIUS 0.046 INCHES 1ST END
THREAD SERIES DESIGNATOR NPTF 1ST END NPTF 2ND END
NOMINAL THREAD SIZE 0.125 INCHES 1ST END 0.125 INCHES 2ND END
THREAD DIRECTION RIGHT-HAND 1ST END RIGHT-HAND 2ND END

Restrictions/Controls & Freight Information | NSN 4820-01-073-4103

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: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 126900 POWER TRANS SHAFTING/SHAFTS S
Less than car load rating R 65
Less than truck load rating R 65.0
Water commodity Code 594 unknown
Originating Activity Code AZ U.S. Army Tank-Automotive and Armaments
Command
Warren, MI 48397-5000
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 4820-01-073-4103

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
ReparabilityAItem requires special handling or condemnation procedures for specific reasons, such as precious metal content, high dollar value, critical material, or hazardous materiel. Refer to appropriate manuals or directives for specific instructions.
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
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.
Operational Test Code0Items of supply which when properly packaged and placed in storage, do not require the performance of special procedures while in storage, nor prior to issue, and for which it has been determined that existing Care in Stores quality control procedures are adequate.
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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each