Product Details | SAFETY RELIEF VALVE

4820-01-338-6418 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: YB2385D224, 1385 B/M 2385D224, 1385BM2385D224, 4820-01-338-6418, 01-338-6418, 4820013386418, 013386418

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 08 MAY 1991 01-338-6418

Drawings & Photos | NSN 4820-01-338-6418


Demand History | NSN 4820-01-338-6418

Part Number Request Date QTY Origin
4820-01-338-6418 2026-01-02 1 United States
4820-01-338-6418 2025-12-349 1 United States
4820-01-338-6418 2025-11-325 1 United States
1385 B/M 2385D224 2025-11-322 23 DIBBS
YB2385D224 2025-11-322 23 DIBBS
1385 B/M 2385D224 2025-10-287 5 DIBBS
YB2385D224 2025-10-287 5 DIBBS
1385 B/M 2385D224 2024-07-185 46 DIBBS
YB2385D224 2024-07-185 46 DIBBS
1385 B/M 2385D224 2023-11-325 46 DIBBS
YB2385D224 2023-11-325 46 DIBBS
1385 B/M 2385D224 2023-07-192 30 DIBBS
YB2385D224 2023-07-192 30 DIBBS
1385 B/M 2385D224 2023-04-96 23 DIBBS
YB2385D224 2023-04-96 23 DIBBS
1385 B/M 2385D224 2022-11-331 17 DIBBS
YB2385D224 2022-11-331 17 DIBBS
1385 B/M 2385D224 2022-04-96 29 DIBBS
YB2385D224 2022-04-96 29 DIBBS
1385 B/M 2385D224 2022-03-79 7 DIBBS
YB2385D224 2022-03-79 7 DIBBS
1385 B/M 2385D224 2022-02-38 7 DIBBS
YB2385D224 2022-02-38 7 DIBBS
1385 B/M 2385D224 2021-12-354 2 DIBBS
YB2385D224 2021-12-354 2 DIBBS
1385 B/M 2385D224 2021-10-304 2 DIBBS
YB2385D224 2021-10-304 2 DIBBS
1385 B/M 2385D224 2020-04-117 10 DIBBS
YB2385D224 2020-04-117 10 DIBBS
4820-01-338-6418 2018-12-361 14 DIBBS
4820-01-338-6418 2018-12-347 14 DIBBS
4820-01-338-6418 2018-01-18 12 DIBBS
4820-01-338-6418 2017-03-61 16 DIBBS
4820-01-338-6418 2017-02-33 14 DIBBS
4820-01-338-6418 2016-04-119 12 DIBBS
4820-01-338-6418 2015-12-340 9 DIBBS
4820-01-338-6418 2015-08-218 4 DIBBS
4820-01-338-6418 2015-07-207 10 DIBBS
4820-01-338-6418 2015-06-170 10 DIBBS
4820-01-338-6418 2015-06-159 10 DIBBS
4820-01-338-6418 2015-05-146 1 DIBBS
4820-01-338-6418 2015-05-141 1 DIBBS
4820-01-338-6418 2015-05-130 1 DIBBS
4820-01-338-6418 2015-02-43 1 DIBBS
4820-01-338-6418 2015-01-26 1 DIBBS
4820-01-338-6418 2015-01-14 1 DIBBS
4820-01-338-6418 2013-09-249 7 DIBBS
4820-01-338-6418 2013-08-234 7 DIBBS
4820-01-338-6418 2012-02-52 5 DIBBS
4820-01-338-6418 2011-08-238 2 DIBBS
4820-01-338-6418 2009-08-233 11 DIBBS

Cross Reference | NSN 4820-01-338-6418

Part Number Cage Code Manufacturer
1385 B/M 2385D224 35795 LESLIE CONTROLS, INC.
1385 B/M 2385D224 L2335 CTH INSTRUMENTS LTD
YB2385D224 35795 LESLIE CONTROLS, INC.
YB2385D224 L2335 CTH INSTRUMENTS LTD

Request a Quote

What Our Customers Say

Compare

NSNs for Compare ( up to 4 ): Add 4820-01-338-6418

Technical Data | NSN 4820-01-338-6418

Characteristic Specifications
MATERIAL COPPER ALLOY 922 BODY RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED WATER, FRESH SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 180.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE UNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE G30B SOCKET WITH BRAZING RING ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED 0.750 INCHES ALL ENDS
BONNET TYPE INSIDE SCREW
BONNET ATTACHMENT METHOD THREADED
ADJUSTABLE PRESSURE RANGE 30.0 TO 50.0 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-01-338-6418

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 4820-01-338-6418

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