Product Details | SAFETY RELIEF VALVE

4820-01-199-3068 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.

Part Alternates: PB37865500, PB37865-500, 5159B1M650, 5159B-1M-650, 4820-01-199-3068, 01-199-3068, 4820011993068, 011993068

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 19 JAN 1985 01-199-3068

Drawings & Photos | NSN 4820-01-199-3068


Demand History | NSN 4820-01-199-3068

Part Number Request Date QTY Origin
5159B-1M-650 2025-11-324 16 DIBBS
PB37865-500 2025-11-324 16 DIBBS
5159B-1M-650 2025-03-69 36 DIBBS
PB37865-500 2025-03-69 36 DIBBS
5159B-1M-650 2025-02-58 36 DIBBS
PB37865-500 2025-02-58 36 DIBBS
5159B-1M-650 2024-05-134 51 DIBBS
PB37865-500 2024-05-134 51 DIBBS
5159B-1M-650 2024-05-123 51 DIBBS
PB37865-500 2024-05-123 51 DIBBS
5159B-1M-650 2023-08-226 92 DIBBS
PB37865-500 2023-08-226 92 DIBBS
5159B-1M-650 2023-08-215 92 DIBBS
PB37865-500 2023-08-215 92 DIBBS
5159B-1M-650 2023-04-107 79 DIBBS
PB37865-500 2023-04-107 79 DIBBS
5159B-1M-650 2023-04-96 79 DIBBS
PB37865-500 2023-04-96 79 DIBBS
5159B-1M-650 2022-06-178 59 DIBBS
PB37865-500 2022-06-178 59 DIBBS
5159B-1M-650 2022-06-167 59 DIBBS
PB37865-500 2022-06-167 59 DIBBS
5159B-1M-650 2021-04-111 34 DIBBS
PB37865-500 2021-04-111 34 DIBBS
5159B-1M-650 2020-11-307 34 DIBBS
PB37865-500 2020-11-307 34 DIBBS
5159B-1M-650 2020-10-294 34 DIBBS
PB37865-500 2020-10-294 34 DIBBS
4820-01-199-3068 2018-02-46 45 DIBBS
4820-01-199-3068 2017-10-297 22 DIBBS
4820-01-199-3068 2014-05-132 42 DIBBS
4820-01-199-3068 2014-04-120 42 DIBBS
4820-01-199-3068 2014-01-09 28 DIBBS
4820-01-199-3068 2013-10-275 24 DIBBS
4820-01-199-3068 2013-08-213 15 DIBBS
4820-01-199-3068 2013-05-121 13 DIBBS
4820-01-199-3068 2013-01-03 11 DIBBS
4820-01-199-3068 2011-09-250 15 DIBBS
4820-01-199-3068 2011-08-235 3 DIBBS
4820-01-199-3068 2011-04-91 5 DIBBS
4820-01-199-3068 2009-06-159 14 DIBBS
4820-01-199-3068 2009-01-02 4 DIBBS

Cross Reference | NSN 4820-01-199-3068

Part Number Cage Code Manufacturer
5159B-1M-650 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS
PB37865-500 12190 ENERTECH TECHNICAL SERVICES CORPORATION

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Technical Data | NSN 4820-01-199-3068

Characteristic Specifications
MATERIAL COPPER ALLOY BODY
STYLE DESIGNATOR C8 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED WATER-OIL-GAS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 250.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL PIPE ALL ENDS
CONNECTION STYLE G46B PLAIN ALL ENDS
THREAD SERIES DESIGNATOR NPT ALL ENDS
NOMINAL THREAD SIZE 0.125 INCHES ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
BONNET TYPE INSIDE SCREW
BONNET ATTACHMENT METHOD THREADED
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 650.0 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-01-199-3068

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 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 4820-01-199-3068

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