Product Details | FLUID PRESSURE REGULATING VALVE

4820-00-021-1804 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: 10927CA2A, 4820-00-021-1804, 00-021-1804, 4820000211804, 000211804

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 02 MAY 1967 00-021-1804

Drawings & Photos | NSN 4820-00-021-1804


Cross Reference | NSN 4820-00-021-1804

Part Number Cage Code Manufacturer
10927CA2A 26505 GROVE VALVE OPERATIONS

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Technical Data | NSN 4820-00-021-1804

Characteristic Specifications
BODY MATERIAL STEEL, CORROSION RESISTING
SEAT MATERIAL STEEL, CORROSION RESISTING
FLOW CONTROL DEVICE CONE, TOP GUIDED AND CONE, BOTTOM GUIDED
FLOW CONTROL DEVICE MATERIAL POLYAMIDE NYLON
OUTSIDE SURFACE TREATMENT PASSIVATED
END CONNECTION QUANTITY 2
FIRST END CONNECTION TYPE THREADED INTERNAL BOSS
FIRST END STYLE DESIGNATOR B6 GASKET SEAL
FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR 7/16-20 UNF
FIRST END THREAD CLASS 3B
FIRST END THREAD DIRECTION RIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
BODY STYLE A1 STRAIGHT THRU
MEDIA FOR WHICH DESIGNED AIR AND HELIUM OR NITROGEN, GASEOUS
MOUNTING FACILITY FLANGE
RENEWABLE SEAT RING TYPE PRESSED-IN
REGULATION TYPE MANUAL SINGLE STAGE
MANUAL CONTROL METHOD WHEEL
VALVE STEM DESIGN SINGLE SEAT
VALVE LOADING METHOD SPRING
REMOTE ACTUATION METHOD DIAPHRAGM
TEMP RATING 165.0 DEG FAHRENHEIT MAXIMUM
MAXIMUM INLET PRESSURE RATING 3000.0 POUNDS PER SQUARE INCH
OUTLET PRESSURE RANGE 0.0 TO 150.0 POUNDS PER SQUARE INCH
OUTLET PRESSURE ACCURACY RATING NOT RATED
FILTER INCLUDED
FURNISHED ITEMS AUTOMATIC RELIEF VALVE
SPECIAL FEATURES 10.0 MICRON SMALLEST SIZE PARTICLE FILTERED

Restrictions/Controls & Freight Information | NSN 4820-00-021-1804

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 127200 PRESSURE REDCNG WATER RELIEF VALVE
Less than car load rating
Less than truck load rating M 85.0
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 4820-00-021-1804

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.
Fund CodeLPItems initially authorized for local purchase.
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.
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 CodesLLOCAL PURCHASE # (NON-STOCKED ITEMS) Defense Logistics Agency (DLA)/GSA/Service/Agency-managed items authorized for local purchase as normal means of support at base, post, camp or station level. Item not stocked in wholesale distribution system of IMM/Service/Agency ICP.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each