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NSN 4820-01-142-9668, 4820011429668
Cancelled -> Replaced by 4820012183427

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 011429668
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 4820-01-142-9668

National Stock Number (NSN) 4820-01-142-9668, or NIIN 011429668, (valve,regulating,fluid pressure) was assigned November 23, 1982 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4820012183427.

There are 4 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is 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 Jan 11, 2017. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7MC17P1917, SPE7MC16M0499, SPE7M114M7991. The total value of the awarded contracts has been US$ 23,637.01.

This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.

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 Sep 04, 2015, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 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 4820011429668 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

OUTLET PRESSURE RANGE
(AEVA) +25.0/+60.0 POUNDS PER SQUARE INCH
STEM MATERIAL
(ABEP) NICKEL COPPER ALLOY
MATERIAL
(MATT) COPPER ALLOY BODY
BODY MATERIAL
(AAFZ) COPPER ALLOY
UNABLE TO DECODE
(AAFZ) UNABLE TO DECODE
END CONNECTION QUANTITY
(ADQZ) 2
BODY STYLE
(AAQL) STRAIGHT THRU
FACE TO FACE DISTANCE
(ADQL) 9.562 INCHES NOMINAL
FILTER
(AEWF) NOT INCLUDED
FIRST END BOLT CIRCLE DIAMETER
(ACLB) 3.938 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) 5.062 INCHES NOMINAL
FIRST END FLANGE SHAPE STYLE
(ACKT) ROUND W/ BOLT HOLES
FIRST END FLANGE THICKNESS
(ACKU) 0.812 INCHES NOMINAL
FIRST END STYLE DESIGNATOR
(ACKN) PLAIN
FLOW CONTROL DEVICE
(ADQU) DISK, DUAL, TOP GUIDED
MATERIAL
(MATT) UNABLE TO DECODE
MEDIA FOR WHICH DESIGNED
(ACKL) HYDROCARBON FUELS AND OILS
OUTLET PRESSURE RANGE
(AEVA) +25.0 TO 60.0 POUNDS PER SQUARE INCH
REGULATION TYPE
(AEVN) AUTOMATIC DOUBLE STAGE
SECOND END RELATIONSHIP WITH FIRST END
(ACLR) IDENTICAL
UNABLE TO DECODE
(ABEP) UNABLE TO DECODE
UNABLE TO DECODE
(ADQV) UNABLE TO DECODE
VALVE LOADING METHOD
(AEVR) SPRING
VALVE STEM DESIGN
(AEVQ) DOUBLE SEAT
FLOW CONTROL DEVICE MATERIAL
(ADQV) NICKEL COPPER ALLOY, QQ-N-288, COMP B

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