Product Details | FLUID PRESSURE REGULATING VALVE

4820-01-173-4176 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.20248100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: 4044304, 40443-04, 40443-04-25T60 PSI, 404430425T60PSI, 40443402, 40443-402 , 40443-402-25T60 PSI, 4044340225T60PSI, 4820-01-173-4176, 01-173-4176, 4820011734176, 011734176

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 05 MAR 1984 01-173-4176

Drawings & Photos | NSN 4820-01-173-4176


Demand History | NSN 4820-01-173-4176

Part Number Request Date QTY Origin
40443-402 2022-07-192 7 DIBBS
40443-402 2022-06-181 7 DIBBS
40443-402 2019-12-353 2 DIBBS
4820-01-173-4176 2015-07-210 3 DIBBS
4820-01-173-4176 2015-05-121 2 DIBBS
4820-01-173-4176 2015-04-110 2 DIBBS
4820-01-173-4176 2014-03-64 2 DIBBS
4820-01-173-4176 2013-09-269 5 DIBBS
4820-01-173-4176 2013-03-63 4 DIBBS
4820-01-173-4176 2012-11-307 2 DIBBS
4820-01-173-4176 2012-08-229 2 DIBBS
4820-01-173-4176 2010-09-250 1 DIBBS

Cross Reference | NSN 4820-01-173-4176

Part Number Cage Code Manufacturer
40443-04 55378 TRAC REGULATORS INC
40443-04-25T60 PSI 55378 TRAC REGULATORS INC
40443-402 55378 TRAC REGULATORS INC
40443-402-25T60 PSI 55378 TRAC REGULATORS INC

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Technical Data | NSN 4820-01-173-4176

Characteristic Specifications
BODY MATERIAL BRONZE, ASTM B61
SEAT MATERIAL NICKEL COPPER ALLOY, QQ-N-281
STEM MATERIAL NICKEL COPPER ALLOY, QQ-N-281
FLOW CONTROL DEVICE DISK
FLOW CONTROL DEVICE MATERIAL RUBBER
END CONNECTION QUANTITY 2
FIRST END CONNECTION TYPE UNTHREADED INTERNAL PIPE
FIRST END STYLE DESIGNATOR C11 SOCKET W/BRAZING RING
FIRST END NOMINAL PIPE SIZE ACCOMMODATED 1.250 INCHES
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
BODY STYLE A1 STRAIGHT THRU
MEDIA FOR WHICH DESIGNED WATER
REGULATION TYPE AUTOMATIC SINGLE STAGE
VALVE LOADING METHOD SPRING
MAXIMUM INLET PRESSURE RATING 250.0 POUNDS PER SQUARE INCH
OUTLET PRESSURE RANGE 25.0 TO 60.0 POUNDS PER SQUARE INCH
OUTLET PRESSURE ACCURACY RATING NOT RATED
FILTER NOT INCLUDED

Restrictions/Controls & Freight Information | NSN 4820-01-173-4176

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 051080 NICKEL OR NICKEL COPPER
Less than car load rating
Less than truck load rating J 100.2
Water commodity Code 576 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4820-01-173-4176

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each