Product Details | VACUUM BREAKING VALVE

4820-01-119-0540 An item designed to automatically relieve vacuum, by the intake of air, when the internal pressure falls below atmospheric pressure. See also VALVE, VACUUM REGULATING.

Part Alternates: P262T, P-262T, 4820-01-119-0540, 01-119-0540, 4820011190540, 011190540

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 16 SEP 1981 01-119-0540

Drawings & Photos | NSN 4820-01-119-0540


Demand History | NSN 4820-01-119-0540

Part Number Request Date QTY Origin
P-262T 2025-04-104 31 DIBBS
P-262T 2025-04-93 31 DIBBS
P-262T 2025-03-82 31 DIBBS
P-262T 2023-04-118 31 DIBBS
P-262T 2023-04-107 31 DIBBS
P-262T 2023-04-96 31 DIBBS
P-262T 2022-06-164 20 DIBBS
P-262T 2022-06-152 20 DIBBS
P-262T 2022-05-143 12 DIBBS
P-262T 2022-05-132 12 DIBBS
P-262T 2021-10-298 31 DIBBS
P-262T 2021-10-284 31 DIBBS
P-262T 2021-07-197 31 DIBBS
P-262T 2021-07-186 31 DIBBS
4820-01-119-0540 2013-09-260 19 DIBBS
4820-01-119-0540 2013-06-156 20 DIBBS
4820-01-119-0540 2013-03-87 15 DIBBS
4820-01-119-0540 2011-07-210 24 DIBBS
4820-01-119-0540 2011-07-187 0 DIBBS
4820-01-119-0540 2011-05-129 15 DIBBS
4820-01-119-0540 2010-03-87 2 Taiwan

Cross Reference | NSN 4820-01-119-0540

Part Number Cage Code Manufacturer
P-262T 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS

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Technical Data | NSN 4820-01-119-0540

Characteristic Specifications
BODY STYLE B1 SINGLE CONNECTION, STRAIGHT FLOW
BODY MATERIAL STEEL, CORROSION RESISTING
FLOW CONTROL DEVICE DIAPHRAGM
END CONNECTION QUANTITY 1
FIRST END CONNECTION TYPE THREADED EXTERNAL TUBE
FIRST END STYLE DESIGNATOR J6 PLAIN
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED 0.375 INCHES NOMINAL
FIRST END THREAD CLASS 3A
FIRST END THREAD DIRECTION RIGHT-HAND
TEMP ADJUSTABILITY ADJUSTABLE
MEDIA FOR WHICH DESIGNED AIR CARBON DIOXIDE HELIUM HYDROGEN
TEMP RATING -40.0 DEG FAHRENHEIT 225.0 DEG FAHRENHEIT

Restrictions/Controls & Freight Information | NSN 4820-01-119-0540

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 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating
Less than truck load rating P 77.5
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 4820-01-119-0540

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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each