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NSN 4820-00-288-8371, 4820002888371
VALVE,REGULATING,FLUID PRESSURE

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 002888371
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 4820-00-288-8371

National Stock Number (NSN) 4820-00-288-8371, or NIIN 002888371, (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 does not replace any other NSNs.

There are 4 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.

This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Apr 24, 2019. There have been 17 contracts issued for this part number, with 16 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 8 different suppliers. The last contract numbers awarded were: SPE7MC19V7243, SPE7MC19V3050, SPE7MC18V025C, SPE7MC14M6156, SPE7MC14M3065. The total value of the awarded contracts has been US$ 105,590.69.

This NSN is somewhat common among different platforms, belonging to 4 different weapons systems.

There has been a small amount of 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 Nov 22, 2012, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. 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 4820002888371 does not contain precious metals.

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) 2
BODY STYLE
(AAQL) STRAIGHT THRU
FACE TO FACE DISTANCE
(ADQL) 6.375 INCHES NOMINAL
FILTER
(AEWF) NOT INCLUDED
FIRST END BOLT CIRCLE DIAMETER
(ACLB) 4.438 INCHES NOMINAL
FIRST END BOLT HOLE DIAMETER
(ACLA) 0.562 INCHES NOMINAL
FIRST END BOLT HOLE QUANTITY
(ACKZ) 6
FIRST END CONNECTION TYPE
(ACKM) PLAIN FACE FLANGE
FIRST END FLANGE OUTSIDE DIAMETER
(AAHF) 5.562 INCHES NOMINAL
FIRST END FLANGE SHAPE STYLE
(ACKT) ROUND W/ BOLT HOLES
FIRST END FLANGE THICKNESS
(ACKU) 0.500 INCHES NOMINAL
FIRST END STYLE DESIGNATOR
(ACKN) PLAIN
FIRST END NOMINAL PIPE SIZE ACCOMMODATED
(ACLG) 2.000 INCHES
FLOW CONTROL DEVICE MATERIAL
(ADQV) RUBBER, SYNTHETIC
FLOW CONTROL DEVICE
(ADQU) DISK, FLAT
OUTLET PRESSURE RANGE
(AEVA) +70.0 TO 170.0 POUNDS PER SQUARE INCH
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL
(MATT) COPPER ALLOY 922 BODY
MAXIMUM INLET PRESSURE RATING
(AEVZ) 150.0 POUNDS PER SQUARE INCH
MEDIA FOR WHICH DESIGNED
(ACKL) WATER, SALT
SEAT MATERIAL
(ACSH) NICKEL COPPERQQ-N-281
SECOND END RELATIONSHIP WITH FIRST END
(ACLR) IDENTICAL
REGULATION TYPE
(AEVN) AUTOMATIC SINGLE STAGE
REMOTE ACTUATION METHOD
(AEVS) BELLOWS
RENEWABLE SEAT RING TYPE
(ADZH) THREADED
VALVE LOADING METHOD
(AEVR) SPRING
VALVE STEM DESIGN
(AEVQ) SINGLE SEAT
STEM MATERIAL
(ABEP) NICKEL COPPERQQ-N-281
BODY MATERIAL
(AAFZ) BRONZEMIL-B-16541
OUTLET PRESSURE RANGE
(AEVA) +70.0/+170.0 POUNDS PER SQUARE INCH
UNABLE TO DECODE
(AAFZ) UNABLE TO DECODE
OUTLET PRESSURE ACCURACY RATING
(AEWB) NOT RATED

Manufacturer Part Numbers


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