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NSN 4820-00-256-6546, 4820002566546
VALVE,REGULATING,FLUID PRESSURE

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 002566546
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 4820-00-256-6546

National Stock Number (NSN) 4820-00-256-6546, or NIIN 002566546, (valve,regulating,fluid pressure) was assigned March 24, 1971 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 10 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 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 a year. There have been 21 contracts issued for this part number, with 21 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE7MC23V2389, SPE7MC23P0213, SPE7MC22V025A, SPE7MC21V9843, SPE7MC21P2356. The total value of the awarded contracts has been US$ 282,895.00.

This NSN is somewhat common among different platforms, belonging to 5 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. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 79,325. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

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 4820002566546 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
OUTLET PRESSURE RANGE
(AEVA) +5.0/+30.0 POUNDS PER SQUARE INCH
UNABLE TO DECODE
(AAFZ) UNABLE TO DECODE
END CONNECTION QUANTITY
(ADQZ) 2
BODY STYLE
(AAQL) STRAIGHT THRU
FACE TO FACE DISTANCE
(ADQL) 9.938 INCHES MINIMUM AND 10.062 INCHES MAXIMUM
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) 0.438 INCHES NOMINAL
FIRST END STYLE DESIGNATOR
(ACKN) PLAIN
FLOW CONTROL DEVICE MATERIAL
(ADQV) PLASTIC, POLYURETHANE
FLOW CONTROL DEVICE
(ADQU) DISK, FLAT
NONDEFINITIVE SPEC/STD DATA
(ZZZT) 2 TYPE
OUTLET PRESSURE RANGE
(AEVA) +5.0 TO 30.0 POUNDS PER SQUARE INCH
MANUAL CONTROL METHOD
(AEVP) SCREW
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) ASTM B61 ASSN STD 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 COPPER ALLOY, QQ-N-288, COMP A
SECOND END RELATIONSHIP WITH FIRST END
(ACLR) IDENTICAL
REGULATION TYPE
(AEVN) MANUAL SINGLE STAGE
RENEWABLE SEAT RING TYPE
(ADZH) THREADED
VALVE STEM DESIGN
(AEVQ) SINGLE SEAT
VALVE LOADING METHOD
(AEVR) SPRING
STEM MATERIAL
(ABEP) NICKEL COPPER ALLOY, QQ-N-286, CLASS A
TEMP RATING
(AZKQ) 165.0 DEG FAHRENHEIT MAXIMUM

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Related Inventory

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