Product Details | FLUID PRESSURE REGULATING VALVE

4820-01-201-2340 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: HWWLN-1/4IN, HWWLN14IN, HWWLN1988IN, Y305836305, 19881N, 19881N HWWLN-1/4IN, 19881NHWWLN14IN, 4820-01-201-2340, 01-201-2340, 4820012012340, 012012340

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 14 FEB 1985 01-201-2340

Drawings & Photos | NSN 4820-01-201-2340


Demand History | NSN 4820-01-201-2340

Part Number Request Date QTY Origin
Y305836305 2025-05-125 13 DIBBS
Y305836305 2024-07-192 3 DIBBS
Y305836305 2024-06-165 3 DIBBS
Y305836305 2024-04-100 13 DIBBS
Y305836305 2024-01-18 8 DIBBS
Y305836305 2023-03-75 8 DIBBS
Y305836305 2022-03-65 11 DIBBS
Y305836305 2021-09-245 7 DIBBS
Y305836305 2021-06-154 5 DIBBS
Y305836305 2021-04-91 3 DIBBS
Y305836305 2021-01-31 21 DIBBS
Y305836305 2020-12-352 5 DIBBS
Y305836305 2020-10-294 9 DIBBS
Y305836305 2019-11-317 9 DIBBS
Y305836305 2019-02-41 10 DIBBS
4820-01-201-2340 2017-09-250 8 DIBBS
4820-01-201-2340 2017-07-183 7 DIBBS
4820-01-201-2340 2017-06-166 7 DIBBS
4820-01-201-2340 2016-11-308 9 DIBBS
4820-01-201-2340 2016-04-116 9 DIBBS
4820-01-201-2340 2016-04-105 9 DIBBS
4820-01-201-2340 2015-07-204 10 DIBBS
4820-01-201-2340 2015-07-193 10 DIBBS
4820-01-201-2340 2015-04-110 2 DIBBS
4820-01-201-2340 2014-05-140 6 DIBBS
4820-01-201-2340 2014-01-28 4 DIBBS
4820-01-201-2340 2012-01-19 6 NECO
4820-01-201-2340 2011-06-162 6 NECO
4820-01-201-2340 2011-03-62 4 NECO

Cross Reference | NSN 4820-01-201-2340

Part Number Cage Code Manufacturer
19881N 35795 LESLIE CONTROLS, INC.
19881N HWWLN-1/4IN 35795 LESLIE CONTROLS, INC.
HWWLN-1/4IN 35795 LESLIE CONTROLS, INC.
HWWLN1988IN 35795 LESLIE CONTROLS, INC.
Y305836305 35795 LESLIE CONTROLS, INC.

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Technical Data | NSN 4820-01-201-2340

Characteristic Specifications
BODY MATERIAL BRONZE, ASTM B61
SEAT MATERIAL NICKEL-COPPER ALLOY, ASTM B164
STEM MATERIAL NICKEL COPPER ALLOY, QQ-N-286, CLASS A
FLOW CONTROL DEVICE DISK
FLOW CONTROL DEVICE MATERIAL NICKEL COPPER ALLOY, QQ-N-286, CLASS B
END CONNECTION QUANTITY 2
FIRST END CONNECTION TYPE UNTHREADED INTERNAL PIPE
FIRST END STYLE DESIGNATOR C2 STREAMLINED WITH ONE BRAZING RING
FIRST END NOMINAL PIPE SIZE ACCOMMODATED 0.250 INCHES
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
BODY STYLE A1 STRAIGHT THRU
MEDIA FOR WHICH DESIGNED ANY ACCEPTABLE
REGULATION TYPE AUTOMATIC SINGLE STAGE
VALVE LOADING METHOD SPRING
MAXIMUM INLET PRESSURE RATING 700.0 POUNDS PER SQUARE INCH
OUTLET PRESSURE ACCURACY RATING NOT RATED
FILTER NOT INCLUDED

Restrictions/Controls & Freight Information | NSN 4820-01-201-2340

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:SThe item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel.
Category Code Description
NMF Description 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating W Rating Variable
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 4820-01-201-2340

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
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