Product Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE

4820-01-028-1423 A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. It is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. The center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. It may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. Exclude VALVE, VACUUM BREAKING.

Part Alternates: TA33010C10CR, TA330-10C-10CR, 2508992, 4820-01-028-1423, 01-028-1423, 4820010281423, 010281423

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 26 SEP 1976 01-028-1423

Drawings & Photos | NSN 4820-01-028-1423


Demand History | NSN 4820-01-028-1423

Part Number Request Date QTY Origin
4820-01-028-1423 2024-09-249 50 DIBBS
4820-01-028-1423 2024-05-123 67 DIBBS
4820-01-028-1423 2023-07-191 161 DIBBS
4820-01-028-1423 2022-07-199 224 DIBBS
4820-01-028-1423 2020-10-294 32 DIBBS
4820-01-028-1423 2020-09-261 8 DIBBS
4820-01-028-1423 2019-08-213 60 DIBBS
4820-01-028-1423 2018-12-347 65 DIBBS
4820-01-028-1423 2018-05-136 60 DIBBS
4820-01-028-1423 2016-05-132 110 DIBBS
4820-01-028-1423 2016-01-21 60 DIBBS
4820-01-028-1423 2016-01-10 60 DIBBS
4820-01-028-1423 2015-11-314 60 DIBBS
4820-01-028-1423 2015-10-302 60 DIBBS
4820-01-028-1423 2015-09-266 45 DIBBS
4820-01-028-1423 2015-08-221 45 DIBBS

Cross Reference | NSN 4820-01-028-1423

Part Number Cage Code Manufacturer
2508992 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT
TA330-10C-10CR 01347 ARIZONA GEAR AND MFG CO
TA330-10C-10CR 08992 AGM CONTAINER CONTROLS INC. DBA A G M

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Technical Data | NSN 4820-01-028-1423

Characteristic Specifications
BODY STYLE B3 SINGLE CONNECTION, STRAIGHT FLOW
BODY MATERIAL ALUMINUM ALLOY
FLOW CONTROL DEVICE DISK, CIRCULAR
END CONNECTION QUANTITY 1
FIRST END CONNECTION TYPE THREADED EXTERNAL PIPE
FIRST END STYLE DESIGNATOR J6 PLAIN
FIRST END NOMINAL PIPE SIZE ACCOMMODATED 1.050 INCHES
FIRST END THREAD DIRECTION RIGHT-HAND
MAXIMUM OPERATING PRESSURE NOT RATED
MEDIA FOR WHICH DESIGNED AIR
TEMP RATING NOT RATED
VALVE VENTING DESIGN TYPE ATMOSPHERIC
VALVE RELIEF DESIGN TYPE PRESSURE AND VACUUM
DISK LOADING METHOD SPRING
FURNISHED ITEMS MANUAL UNLOADER ON VACUUM SIDE AND NUT AND GASKET AND WASHER

Restrictions/Controls & Freight Information | NSN 4820-01-028-1423

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 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
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 4820-01-028-1423

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 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