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NSN 4820-00-991-8621, 4820009918621
VALVE,REGULATING,FLUID PRESSURE

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 009918621
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.
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DLMS® Summary

National Stock Number 4820-00-991-8621

National Stock Number (NSN) 4820-00-991-8621, or NIIN 009918621, (valve,regulating,fluid pressure) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

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

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 26, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.

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 4820009918621 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

FLOW CONTROL DEVICE MATERIAL
(ADQV) STEEL
MATERIAL
(MATT) STEEL BODY
UNABLE TO DECODE
(AAFZ) UNABLE TO DECODE
UNABLE TO DECODE
(ACSH) UNABLE TO DECODE
FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR
(ACLJ) 1/8-27 NPTF
BODY MATERIAL
(AAFZ) STEEL
SEAT MATERIAL
(ACSH) STEEL, CORROSION RESISTING
MATERIAL
(MATT) UNABLE TO DECODE
STEM MATERIAL
(ABEP) STEEL, CORROSION RESISTING
END CONNECTION QUANTITY
(ADQZ) 2
BODY STYLE
(AAQL) STRAIGHT THRU
FILTER
(AEWF) NOT INCLUDED
FIRST END CONNECTION TYPE
(ACKM) THREADED INTERNAL PIPE
FIRST END STYLE DESIGNATOR
(ACKN) DOUBLE COMPRESSION
FIRST END THREAD DIRECTION
(ACLL) RIGHT-HAND
FLOW CONTROL DEVICE
(ADQU) DIAPHRAGM
MATERIAL
(MATT) STEEL CORROSION RESISTING SEAT
REGULATION TYPE
(AEVN) AUTOMATIC SINGLE STAGE
SECOND END RELATIONSHIP WITH FIRST END
(ACLR) IDENTICAL
UNABLE TO DECODE
(ABEP) UNABLE TO DECODE
UNABLE TO DECODE
(ACLJ) UNABLE TO DECODE
UNABLE TO DECODE
(ADQV) UNABLE TO DECODE
VALVE LOADING METHOD
(AEVR) SPRING

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