Product Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE

4820-01-041-3049 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: 384REVB, 582R056, 582R056H04, 4820-01-041-3049, 01-041-3049, 4820010413049, 010413049

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 22 MAY 1977 01-041-3049

Drawings & Photos | NSN 4820-01-041-3049


Demand History | NSN 4820-01-041-3049

Part Number Request Date QTY Origin
4820-01-041-3049 2024-04-113 1 United States
384REVB 2021-02-46 3 DIBBS
4820-01-041-3049 2014-07-212 4 DIBBS
4820-01-041-3049 2013-03-81 1 DIBBS

Cross Reference | NSN 4820-01-041-3049

Part Number Cage Code Manufacturer
384REVB 15939 STRATOTECH CORP DBA STRATOTECH COPRORATION
582R056 97942 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN SYSTEMS
582R056H04 97942 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN SYSTEMS

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Technical Data | NSN 4820-01-041-3049

Characteristic Specifications
BODY STYLE B3 SINGLE CONNECTION, STRAIGHT FLOW
BODY MATERIAL ALUMINUM ALLOY
OUTSIDE SURFACE TREATMENT OXIDE FILM, MIL-C-5541
SEAT MATERIAL ALUMINUM ALLOY
FLOW CONTROL DEVICE POPPET
FLOW CONTROL DEVICE MATERIAL ALUMINUM ALLOY
END CONNECTION QUANTITY 1
FIRST END CONNECTION TYPE THREADED EXTERNAL BOSS
FIRST END STYLE DESIGNATOR J10 EXTERNAL SEAT FOR GASKET SEAL
FIRST END THREAD CLASS 2A
FIRST END THREAD DIRECTION RIGHT-HAND
MAXIMUM OPERATING PRESSURE NOT RATED
MEDIA FOR WHICH DESIGNED AIR
TEMP RATING 131.0 DEG FAHRENHEIT
OPENING PRESSURE SETTING NOT RATED
VALVE VENTING DESIGN TYPE ATMOSPHERIC
VALVE RELIEF DESIGN TYPE PRESSURE
DISK LOADING METHOD SPRING
ABSOLUTE PRESSURE SETTING NOT RATED
FURNISHED ITEMS SHIELD

Restrictions/Controls & Freight Information | NSN 4820-01-041-3049

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 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 4820-01-041-3049

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.
Materiel Management Aggregation CodeSXSX:AF SICA RESIDUAL MMAC-OC-ALC
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
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