Product Details | FLUID PRESSURE REGULATING VALVE

4820-00-431-9321 A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes REGULATOR, PRESSURE, MEDICAL GAS ADMINISTRATION APPARATUS; REGULATOR, OXYGEN, BAROMETRIC CONTINUOUS FLOW; REGULATOR, OXYGEN DEMAND; REGULATOR, OXYGEN DILUTER DEMAND; and valve(1), fluid pressure regulating, aircraft.20248100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: W114948, 4820-00-431-9321, 00-431-9321, 4820004319321, 004319321

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 08 MAY 1974 00-431-9321

Drawings & Photos | NSN 4820-00-431-9321


Demand History | NSN 4820-00-431-9321

Part Number Request Date QTY Origin
W114948 2024-07-205 51 DIBBS
W114948 2023-05-136 51 DIBBS
W114948 2023-04-117 51 DIBBS
W114948 2022-12-363 28 DIBBS
W114948 2022-07-209 13 DIBBS
W114948 2020-10-282 17 DIBBS
W114948 2019-09-262 25 DIBBS
W114948 2019-04-93 13 DIBBS
4820-00-431-9321 2018-03-70 15 DIBBS
4820-00-431-9321 2016-11-308 13 DIBBS
4820-00-431-9321 2016-09-251 10 DIBBS
4820-00-431-9321 2016-07-189 8 DIBBS
4820-00-431-9321 2015-11-330 25 DIBBS
4820-00-431-9321 2015-11-329 25 DIBBS
4820-00-431-9321 2015-07-193 16 DIBBS
4820-00-431-9321 2015-02-53 16 DIBBS
4820-00-431-9321 2014-01-12 10 DIBBS
4820-00-431-9321 2013-04-107 8 DIBBS
4820-00-431-9321 2013-04-92 8 DIBBS
4820-00-431-9321 2012-09-264 2 DIBBS

Cross Reference | NSN 4820-00-431-9321

Part Number Cage Code Manufacturer
W114948 0AT62 DRESSER-RAND COMPANY DBA RECIPROCATING PRODUCTS DIV
W114948 88663 DRESSER-RAND CO INGERSOLL-RAND OPNS

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Technical Data | NSN 4820-00-431-9321

Characteristic Specifications
BODY MATERIAL BRONZE
FLOW CONTROL DEVICE PISTON, SPRING LOADED
END CONNECTION QUANTITY 2
FIRST END CONNECTION TYPE THREADED INTERNAL PIPE
FIRST END STYLE DESIGNATOR B11 PLAIN
FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR 3/8-18 NPT
FIRST END THREAD DIRECTION RIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
BODY STYLE A1 STRAIGHT THRU
MEDIA FOR WHICH DESIGNED AIR AND WATER
REGULATION TYPE AUTOMATIC SINGLE STAGE
VALVE STEM DESIGN SINGLE SEAT
VALVE LOADING METHOD SPRING
MAXIMUM INLET PRESSURE RATING 400.0 POUNDS PER SQUARE INCH
OUTLET PRESSURE SETTING 150.00 POUNDS PER SQUARE INCH
OUTLET PRESSURE ACCURACY RATING NOT RATED
FILTER NOT INCLUDED

Restrictions/Controls & Freight Information | NSN 4820-00-431-9321

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 B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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 4820-00-431-9321

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