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NSN 4820-01-198-0829, 4820011980829
VALVE,REGULATING,FLUID PRESSURE

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 011980829
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 4820-01-198-0829

National Stock Number (NSN) 4820-01-198-0829, or NIIN 011980829, (valve,regulating,fluid pressure) was assigned January 4, 1985 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. 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 a year. There have been 7 contracts issued for this part number, with 7 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: SPE7MC21P1753, SPE7MC14V5253, SPM7M512V0427, SPM7M010V2333, SPM7M010V2333. The total value of the awarded contracts has been US$ 47,857.85.

This NSN is somewhat common among different platforms, belonging to 9 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 Aug 02, 2004, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. 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 4820011980829 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

BODY MATERIAL
(AAFZ) BRONZE, ASTM B61
END CONNECTION QUANTITY
(ADQZ) 2
BODY STYLE
(AAQL) STRAIGHT THRU
FILTER
(AEWF) NOT INCLUDED
FIRST END CONNECTION TYPE
(ACKM) UNTHREADED INTERNAL PIPE
FIRST END NOMINAL PIPE SIZE ACCOMMODATED
(ACLG) 1.000 INCHES
FIRST END STYLE DESIGNATOR
(ACKN) SOCKET W/BRAZING RING
FLOW CONTROL DEVICE
(ADQU) DISK
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL
(MATT) COPPER ALLOY 922 BODY
MAXIMUM INLET PRESSURE RATING
(AEVZ) 60.0 POUNDS PER SQUARE INCH
MEDIA FOR WHICH DESIGNED
(ACKL) WATER, SALT
REGULATION TYPE
(AEVN) AUTOMATIC SINGLE STAGE
SECOND END RELATIONSHIP WITH FIRST END
(ACLR) IDENTICAL
VALVE LOADING METHOD
(AEVR) SPRING
VALVE STEM DESIGN
(AEVQ) SINGLE SEAT

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