Product Details | FLUID PRESSURE REGULATING VALVE

4820-01-311-9491 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: 5642 ITEM 17, 5642ITEM17, 5655BG501, 5655B-G501, 5655G501, 5655-G501, 4820-01-311-9491, 01-311-9491, 4820013119491, 013119491

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 07 DEC 1989 01-311-9491

Drawings & Photos | NSN 4820-01-311-9491


Demand History | NSN 4820-01-311-9491

Part Number Request Date QTY Origin
5642 ITEM 17 2026-01-28 87 DIBBS
5655-G501 2026-01-28 87 DIBBS
5642 ITEM 17 2026-01-14 87 DIBBS
5655-G501 2026-01-14 87 DIBBS
5642 ITEM 17 2025-11-310 22 DIBBS
5655-G501 2025-11-310 22 DIBBS
5642 ITEM 17 2025-06-164 65 DIBBS
5655-G501 2025-06-164 65 DIBBS
5642 ITEM 17 2025-06-153 65 DIBBS
5655-G501 2025-06-153 65 DIBBS
5642 ITEM 17 2025-04-114 19 DIBBS
5655-G501 2025-04-114 19 DIBBS
5642 ITEM 17 2024-06-176 46 DIBBS
5655-G501 2024-06-176 46 DIBBS
5642 ITEM 17 2024-05-151 33 DIBBS
5655-G501 2024-05-151 33 DIBBS
5642 ITEM 17 2024-05-130 14 DIBBS
5655-G501 2024-05-130 14 DIBBS
5642 ITEM 17 2023-04-107 19 DIBBS
5655-G501 2023-04-107 19 DIBBS
5642 ITEM 17 2023-04-96 19 DIBBS
5655-G501 2023-04-96 19 DIBBS
5642 ITEM 17 2022-06-164 17 DIBBS
5655-G501 2022-06-164 17 DIBBS
5642 ITEM 17 2022-06-153 17 DIBBS
5655-G501 2022-06-153 17 DIBBS
5642 ITEM 17 2020-10-294 17 DIBBS
5655-G501 2020-10-294 17 DIBBS
5642 ITEM 17 2020-09-268 1 DIBBS
5655-G501 2020-09-268 1 DIBBS
5642 ITEM 17 2019-10-297 16 DIBBS
5655-G501 2019-10-297 16 DIBBS
5642 ITEM 17 2019-01-07 17 DIBBS
5655-G501 2019-01-07 17 DIBBS
4820-01-311-9491 2018-12-361 17 DIBBS
4820-01-311-9491 2017-07-198 13 DIBBS
4820-01-311-9491 2017-06-180 13 DIBBS
4820-01-311-9491 2015-05-123 16 DIBBS
4820-01-311-9491 2014-02-54 12 DIBBS

Cross Reference | NSN 4820-01-311-9491

Part Number Cage Code Manufacturer
5642 ITEM 17 22501 HOWELL LABORATORIES, INC.
5655-G501 22501 HOWELL LABORATORIES, INC.
5655B-G501 22501 HOWELL LABORATORIES, INC.

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Technical Data | NSN 4820-01-311-9491

Characteristic Specifications
BODY MATERIAL ALUMINUM
SEAT MATERIAL STEEL, CORROSION RESISTING
END CONNECTION QUANTITY 2
FIRST END CONNECTION TYPE THREADED INTERNAL BOSS
FIRST END STYLE DESIGNATOR B6 GASKET SEAL
FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR 9/16-18 UNJF
FIRST END THREAD CLASS 3B
FIRST END THREAD DIRECTION RIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
BODY STYLE A1 STRAIGHT THRU
VALVE LOADING METHOD SPRING
REMOTE ACTUATION METHOD DIAPHRAGM
OUTLET PRESSURE RANGE 0.0 TO 20.0 POUNDS PER SQUARE INCH
FILTER INCLUDED

Restrictions/Controls & Freight Information | NSN 4820-01-311-9491

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 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 594 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 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 4820-01-311-9491

Category Code Description
Cognizance Codes9BNavy-owned stocks of 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