Product Details | FLUID PRESSURE REGULATING VALVE

4820-01-156-0371 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: ASTM F1370-92, ASTMF137092, F13702MF2B, F1370-2MF2B, MILV2042D, MIL-V-2042D, 30 4IN 25T60PSI AND N587, 304IN25T60PSIANDN587, 40406-02 4IN 25T60PSI, 40406024IN25T60PSI, 40406-202 4IN 25T60PSI, 404062024IN25T60PSI, 40406205, 40406-205, 40406-205 4IN 25T60PSI, 404062054IN25T60PSI, 4820-01-156-0371, 01-156-0371, 4820011560371, 011560371

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 18 JUN 1983 01-156-0371

Drawings & Photos | NSN 4820-01-156-0371


Demand History | NSN 4820-01-156-0371

Part Number Request Date QTY Origin
30 4IN 25T60PSI AND N587 2025-11-327 5 DIBBS
30813079 2025-11-327 5 DIBBS
40406-02 REV D SH.2 NO.40406-202 2025-11-327 5 DIBBS
40406-202 2025-11-327 5 DIBBS
40406-205 2025-11-327 5 DIBBS
F1370-2MF2B 2025-11-327 5 DIBBS
4820-01-156-0371 2025-11-307 6 DIBBS
4820-01-156-0371 2025-10-296 6 DIBBS
4820-01-156-0371 2024-03-84 8 DIBBS
4820-01-156-0371 2023-04-103 4 DIBBS
4820-01-156-0371 2022-07-207 3 DIBBS
4820-01-156-0371 2022-05-125 3 DIBBS
4820-01-156-0371 2022-04-114 3 DIBBS
4820-01-156-0371 2022-04-94 3 DIBBS
4820-01-156-0371 2022-02-46 2 DIBBS
4820-01-156-0371 2022-01-12 3 DIBBS
4820-01-156-0371 2021-12-363 2 DIBBS
4820-01-156-0371 2021-12-339 1 DIBBS
4820-01-156-0371 2021-11-327 1 DIBBS
4820-01-156-0371 2020-09-259 2 DIBBS
4820-01-156-0371 2020-05-142 1 DIBBS
4820-01-156-0371 2020-03-72 1 DIBBS
4820-01-156-0371 2020-02-44 1 DIBBS
4820-01-156-0371 2019-11-317 6 DIBBS
4820-01-156-0371 2019-08-241 1 DIBBS
4820-01-156-0371 2018-11-333 1 DIBBS
4820-01-156-0371 2018-10-277 1 DIBBS
4820-01-156-0371 2015-12-340 4 DIBBS
4820-01-156-0371 2014-11-306 4 DIBBS
4820-01-156-0371 2013-10-304 7 DIBBS
4820-01-156-0371 2013-07-210 3 DIBBS
4820-01-156-0371 2012-11-334 4 DIBBS
4820-01-156-0371 2012-08-244 4 DIBBS
4820-01-156-0371 2011-11-307 6 DIBBS
4820-01-156-0371 2011-09-273 5 DIBBS
4820-01-156-0371 2011-09-256 4 DIBBS
4820-01-156-0371 2011-06-180 2 DIBBS
4820-01-156-0371 2011-04-102 8 DIBBS
4820-01-156-0371 2010-05-134 9 DIBBS
4820-01-156-0371 2010-03-75 3 DIBBS
4820-01-156-0371 2010-01-05 7 DIBBS
4820-01-156-0371 2009-11-332 1 DIBBS
4820-01-156-0371 2009-10-295 5 DIBBS
4820-01-156-0371 2009-09-251 1 DIBBS
4820-01-156-0371 2009-08-236 6 DIBBS
4820-01-156-0371 2008-08-214 16 DIBBS

Cross Reference | NSN 4820-01-156-0371

Part Number Cage Code Manufacturer
30 4IN 25T60PSI AND N587 35795 LESLIE CONTROLS, INC.
40406-02 4IN 25T60PSI 55378 TRAC REGULATORS INC
40406-202 4IN 25T60PSI 55378 TRAC REGULATORS INC
40406-205 55378 TRAC REGULATORS INC
40406-205 4IN 25T60PSI 55378 TRAC REGULATORS INC
ASTM F1370-92 81346 AMERICAN SOCIETY FOR TESTING AND MATERIALS
F1370-2MF2B 81346 AMERICAN SOCIETY FOR TESTING AND MATERIALS
MIL-V-2042D 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 4820-01-156-0371

Characteristic Specifications
BODY MATERIAL BRONZE, ASTM B61
SEAT MATERIAL NICKEL COPPER ALLOY
STEM MATERIAL NICKEL COPPER ALLOY
FLOW CONTROL DEVICE DISK
FLOW CONTROL DEVICE MATERIAL RUBBER, BUNA-N
END CONNECTION QUANTITY 2
FIRST END CONNECTION TYPE PLAIN FACE FLANGE
FIRST END STYLE DESIGNATOR G1 PLAIN
FIRST END FLANGE SHAPE STYLE 3 ROUND
FIRST END BOLT HOLE QUANTITY 8
FIRST END FLANGE OUTSIDE DIAMETER 7.688 INCHES NOMINAL
FIRST END FLANGE THICKNESS 1.000 INCHES NOMINAL
FIRST END BOLT HOLE DIAMETER 0.688 INCHES NOMINAL
FIRST END BOLT CIRCLE DIAMETER 6.562 INCHES NOMINAL
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
BODY STYLE A1 STRAIGHT THRU
FACE TO FACE DISTANCE 14.500 INCHES NOMINAL
MEDIA FOR WHICH DESIGNED WATER, SALT
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
SPECIAL FEATURES WEAPON SYSTEM ESSENTIAL
CRITICALITY CODE JUSTIFICATION FEAT
III END ITEM IDENTIFICATION 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.

Restrictions/Controls & Freight Information | NSN 4820-01-156-0371

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:YThe item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating P 77.5
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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 4820-01-156-0371

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
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