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NSN 4820-01-156-0371, 4820011560371
Cancelled -> Replaced by 4820011905898

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 011560371
Codification Country
United States
Item Name Code
INC 27565
Criticality
(Y) This item does not have a nuclear hardened feature but does have other critical feature(s) 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 4820-01-156-0371

National Stock Number (NSN) 4820-01-156-0371, or NIIN 011560371, (valve,regulating,fluid pressure) was assigned June 18, 1983 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 4820011159822, 4820011905898.

There are 14 manufacturer part numbers associated with this NSN. 6 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 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 is actively being procured by the US Government, with procurement history within the last 90 days. There have been 29 contracts issued for this part number, with 29 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE7MC24V4823, SPE7MC22V014W, SPE7MC22V7968, SPE7MC22V7086, SPE7MC22V7086. The total value of the awarded contracts has been US$ 499,044.44.

This NSN is fairly common among different weapons systems, belonging to 12 different platforms.

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$ 57,040. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 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 but does have other critical feature(s) 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 4820011560371 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
CRITICALITY CODE JUSTIFICATION
(CRTL) FEAT
END ITEM IDENTIFICATION
(AGAV) OLIVER PERRY CLASS FFG, SPRUANCE CLASS DD (963), KIDD CLASS DDG, WASP CLASS LHD, WHIDBEY ISLAND CLASS LSD, TARAWA CLASS LHD, OSPREY CLASS MHC, FORRESTAL CLASS CV.
FACE TO FACE DISTANCE
(ADQL) 14.500 INCHES NOMINAL
FILTER
(AEWF) NOT INCLUDED
FIRST END BOLT CIRCLE DIAMETER
(ACLB) 6.562 INCHES NOMINAL
FIRST END BOLT HOLE QUANTITY
(ACKZ) 8
FIRST END BOLT HOLE DIAMETER
(ACLA) 0.688 INCHES NOMINAL
FIRST END CONNECTION TYPE
(ACKM) PLAIN FACE FLANGE
FIRST END FLANGE OUTSIDE DIAMETER
(AAHF) 7.688 INCHES NOMINAL
FIRST END FLANGE SHAPE STYLE
(ACKT) ROUND W/ BOLT HOLES
FIRST END FLANGE THICKNESS
(ACKU) 1.000 INCHES NOMINAL
FIRST END STYLE DESIGNATOR
(ACKN) PLAIN
FLOW CONTROL DEVICE MATERIAL
(ADQV) RUBBER, BUNA-N
FLOW CONTROL DEVICE
(ADQU) DISK
OUTLET PRESSURE RANGE
(AEVA) +25.0 TO 60.0 POUNDS PER SQUARE INCH
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL
(MATT) COPPER ALLOY 922 BODY
MAXIMUM INLET PRESSURE RATING
(AEVZ) 250.0 POUNDS PER SQUARE INCH
MEDIA FOR WHICH DESIGNED
(ACKL) WATER, SALT
SEAT MATERIAL
(ACSH) NICKEL COPPER ALLOY
SECOND END RELATIONSHIP WITH FIRST END
(ACLR) IDENTICAL
REGULATION TYPE
(AEVN) AUTOMATIC SINGLE STAGE
SPECIAL FEATURES
(FEAT) WEAPON SYSTEM ESSENTIAL
VALVE LOADING METHOD
(AEVR) SPRING
STEM MATERIAL
(ABEP) NICKEL COPPER ALLOY
OUTLET PRESSURE RANGE
(AEVA) +25.0/+60.0 POUNDS PER SQUARE INCH
UNABLE TO DECODE
(AAFZ) UNABLE TO DECODE


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