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NSN 4820-00-032-8450, 4820000328450
Cancelled -> Replaced by 1650006948897

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 000328450
Codification Country
United States
Item Name Code
INC 27565
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 4820-00-032-8450

National Stock Number (NSN) 4820-00-032-8450, or NIIN 000328450, (valve,regulating,fluid pressure) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 1650006948897.

There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is assigned to Item Name Code (INC) 27565. [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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820000328450 contains an unknown precious metal.

This NSN is associated to Schedule B 8481809015: regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332911: industrial valve manufacturing.

This information was last updated on .


Technical Characteristics

END CONNECTION QUANTITY
(ADQZ) 4
FIRST END CONNECTION TYPE
(ACKM) THREADED EXTERNAL TUBE
FIRST END SEAT ANGLE IN DEG
(ACTE) 37.0
FIRST END STYLE DESIGNATOR
(ACKN) FLARED
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED
(ACLH) 0.250 INCHES NOMINAL
FIRST END THREAD CLASS
(ACLK) 3A
FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR
(ACLJ) 7/16-20 UNF
FLOW CONTROL DEVICE
(ADQU) PISTON, SPRING LOADED AND POPPET
FOURTH END RELATIONSHIP WITH PRECEDING ENDS
(ACPE) IDENTICAL WITH THIRD END
OUTLET PRESSURE SETTING
(AEWA) 2700.0 POUNDS PER SQUARE INCH
MAXIMUM INLET PRESSURE RATING
(AEVZ) 3000.0 POUNDS PER SQUARE INCH
MEDIA FOR WHICH DESIGNED
(ACKL) HYDRAULIC OIL
REGULATION TYPE
(AEVN) AUTOMATIC SINGLE STAGE
SECOND END BOLT HOLE QUANTITY
(ACMF) 4
SECOND END CONNECTION TYPE
(ACLS) RECESSED FLANGE
SECOND END FLANGE SHAPE STYLE
(ACLY) RECTANGULAR (INCLUDES SQUARE) W/ BOLT HOLES
SECOND END STYLE DESIGNATOR
(ACLT) RECESSED
SECOND END RELATIONSHIP WITH FIRST END
(ACLR) NOT IDENTICAL
VALVE STEM DESIGN
(AEVQ) DOUBLE SEAT
VALVE LOADING METHOD
(AEVR) SPRING
THIRD END CONNECTION TYPE
(ACMY) THREADED INTERNAL BOSS
THIRD END RELATIONSHIP WITH PRECEDING ENDS
(ACMX) NOT IDENTICAL WITH FIRST OR SECOND END
THIRD END STYLE DESIGNATOR
(ACMZ) GASKET SEAL
THIRD END THREAD CLASS
(ACNY) 3B
THIRD END THREAD SIZE AND SERIES/TYPE DESIGNATOR
(ACNX) 1-1/16-12 UN
SECOND END FLANGE SHAPE STYLE
(ACLY) 4 RECTANGULAR (INCLUDES SQUARE) W/ BOLTHOLES

Manufacturer Part Numbers

4074842

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3
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9
4074844

RNCC
5
RNVC
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RNCC
5
RNVC
9
4354035

RNCC
5
RNVC
9
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RNCC
5
RNVC
1
4074842

RNCC
C
RNVC
1
4074844

RNCC
C
RNVC
1

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