Product Details | SAFETY RELIEF VALVE

4820-01-338-6421 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: BAMGG05MHH, DLO-10H/B2 CDS65, DLO-10H/B2 CDS653 , DLO-10H/B2 CDS653 NMP-1112, DLO10HB2CDS65, DLO10HB2CDS653, DLO10HB2CDS653NMP1112, 4820-01-338-6421, 01-338-6421, 4820013386421, 013386421

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 08 MAY 1991 01-338-6421

Drawings & Photos | NSN 4820-01-338-6421


Demand History | NSN 4820-01-338-6421

Part Number Request Date QTY Origin
NMP111207G0060 2021-03-82 7 DIBBS
NMP111207G0060 2021-03-70 5 DIBBS
NMP111207G0060 2021-02-59 5 DIBBS
NMP111207G0060 2021-01-03 4 DIBBS
DLO-10H/B2 CDS653 2020-10-294 2 DIBBS
DLO-10H/B2 CDS653 2020-10-275 3 DIBBS
DLO-10H/B2 CDS653 2020-09-261 2 DIBBS
DLO-10H/B2 CDS653 2019-10-302 1 DIBBS
DLO-10H/B2 CDS653 2019-10-283 1 DIBBS
4820-01-338-6421 2009-02-55 2 DIBBS

Cross Reference | NSN 4820-01-338-6421

Part Number Cage Code Manufacturer
BAMGG05MHH 5P967 DANTE VALVE COMPANY INC
DLO-10H/B2 CDS65 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
DLO-10H/B2 CDS653 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
DLO-10H/B2 CDS653 NMP-1112 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
DLO-10H/B2 CDS653 NMP-1112 75954 KUNKLE INDUSTRIES INC LONERGAN VALVE DIV

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Technical Data | NSN 4820-01-338-6421

Characteristic Specifications
MATERIAL COPPER ALLOY BODY NICKEL ALLOY FLOW CONTROL DEVICE NICKEL ALLOY SEAT NICKEL ALLOY STEM
STYLE DESIGNATOR C1A ANGLE FLANGED ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE 4.500 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE 4.000 INCHES
VALVE SIZE 2.000 INCHES
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED WATER, SALT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE ALL ENDS
FLANGE SHAPE ROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER 6.000 INCHES ALL ENDS
NOMINAL THICKNESS 0.500 INCHES ALL ENDS
BOLT HOLE QUANTITY 4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER 0.750 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER 4.750 INCHES ALL ENDS
FLANGE FACE DESIGN PLAIN ALL ENDS
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD INTEGRAL
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 57.0 TO 64.0 POUNDS PER SQUARE INCH
III END ITEM IDENTIFICATION SUPPLY CLASS AOE

Restrictions/Controls & Freight Information | NSN 4820-01-338-6421

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 4820-01-338-6421

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