Product Details | SAFETY RELIEF VALVE

4820-01-218-6620 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: D50301 PART R10AE1E1BH-BM3, D50301PARTR10AE1E1BHBM3, R10AE1E1BHBM3, R10AE1E1BH-BM3, 4820-01-218-6620, 01-218-6620, 4820012186620, 012186620

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 17 OCT 1985 01-218-6620

Drawings & Photos | NSN 4820-01-218-6620


Demand History | NSN 4820-01-218-6620

Part Number Request Date QTY Origin
D50301 PART R10AE1E1BH-BM3 2023-11-311 1 DIBBS
D50301 PART R10AE1E1BH-BM3 2023-04-100 1 DIBBS
D50301 PART R10AE1E1BH-BM3 2021-12-355 1 DIBBS
D50301 PART R10AE1E1BH-BM3 2019-11-322 1 DIBBS
D50301 PART R10AE1E1BH-BM3 2019-01-07 1 DIBBS
4820-01-218-6620 2018-12-361 1 DIBBS
4820-01-218-6620 2013-09-259 1 DIBBS
4820-01-218-6620 2012-03-62 1 DIBBS
4820-01-218-6620 2011-12-354 1 DIBBS
4820-01-218-6620 2009-05-122 2 DIBBS

Cross Reference | NSN 4820-01-218-6620

Part Number Cage Code Manufacturer
D50301 PART R10AE1E1BH-BM3 34889 HUNT VALVE COMPANY INC DBA UNION FLONETICS
R10AE1E1BH-BM3 34889 HUNT VALVE COMPANY INC DBA UNION FLONETICS

Request a Quote

What Our Customers Say

Compare

NSNs for Compare ( up to 4 ): Add 4820-01-218-6620

Technical Data | NSN 4820-01-218-6620

Characteristic Specifications
BONNET ATTACHMENT METHOD BOLTED
MATERIAL NICKEL ALLOY SEAT
FURNISHED ITEMS AND QUANTITY 1 LEVER
ADJUSTABLE PRESSURE RANGE +225.0 TO 275.0 POUNDS PER SQUARE INCH
CONNECTION TYPE UNTHREADED INTERNAL PIPE ALL ENDS
MAXIMUM OPERATING PRESSURE 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATION ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
NOMINAL PIPE SIZE ACCOMMODATED 0.750 INCHES ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL NICKEL ALLOY FLOW CONTROL DEVICE
MATERIAL COPPER ALLOY BODY
MATERIAL NICKEL ALLOY STEM
FLOW CONTROL DEVICE DISK
MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATOR C1 ANGLE
MAXIMUM OPERATING TEMP 250.0 DEG FAHRENHEIT SINGLE RESPONSE
DISK LOADING METHOD SPRING
VALVE OPERATION METHOD AUTOMATIC
MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
CONNECTION STYLE SOCKET WITH BRAZING RING ALL ENDS
BONNET TYPE INSIDE SCREW

Restrictions/Controls & Freight Information | NSN 4820-01-218-6620

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 4820-01-218-6620

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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each