Product Details | SAFETY RELIEF VALVE

4820-01-131-9389 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: BASZZ05SBB, D50SW-05 3/8IN, D50SW0538IN, 20275FS91SS, 4820-01-131-9389, 01-131-9389, 4820011319389, 011319389

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 19 MAY 1982 01-131-9389

Drawings & Photos | NSN 4820-01-131-9389


Demand History | NSN 4820-01-131-9389

Part Number Request Date QTY Origin
20275FS91SS 2024-09-267 2 DIBBS
20275FS91SS 2024-09-256 2 DIBBS
20275FS91SS 2023-11-320 4 DIBBS
20275FS91SS 2022-11-317 3 DIBBS
20275FS91SS 2022-07-205 3 DIBBS
20275FS91SS 2022-06-181 1 DIBBS
20275FS91SS 2022-02-46 1 DIBBS
4820-01-131-9389 2016-11-327 2 DIBBS
4820-01-131-9389 2014-07-204 5 DIBBS
4820-01-131-9389 2012-08-243 3 DIBBS
4820-01-131-9389 2012-04-101 2 DIBBS
4820-01-131-9389 2012-02-46 2 DIBBS
4820-01-131-9389 2011-05-131 3 DIBBS
4820-01-131-9389 2010-12-337 4 DIBBS
4820-01-131-9389 2009-08-233 2 DIBBS
4820-01-131-9389 2009-06-166 3 DIBBS

Cross Reference | NSN 4820-01-131-9389

Part Number Cage Code Manufacturer
20275FS91SS 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20275FS91SS 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM

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Technical Data | NSN 4820-01-131-9389

Characteristic Specifications
MATERIAL COPPER ALLOY BODY STEEL CORROSION RESISTING FLOW CONTROL DEVICE STEEL CORROSION RESISTING SEAT STEEL COMP 316 STEM
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE UNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE G20B SOCKET ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED 0.375 INCHES ALL ENDS
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 68.0 TO 81.0 POUNDS PER SQUARE INCH
III END ITEM IDENTIFICATION LOS ANGELES CLASS SSN(688)

Restrictions/Controls & Freight Information | NSN 4820-01-131-9389

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 671 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 4820-01-131-9389

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
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