Product Details | PRESSURE RELIEF SAFETY HEAD

4820-00-401-8180 An item of varying shape and size consisting of a metallic body which incloses a nonreusable metallic or nonmetallic disk(s), which is designed and calibrated to burst at a given pressure. It may be used independently, or in conjunction with relief valves to relieve overpressure, and to protect relief valve(s) from corrosive conditions. Excludes VALVE, SAFETY RELIEF and PLUG, FUSIBLE. For items furnished with a disk, see HEAD AND DISK, SAFETY, PRESSURE RELIER.

Part Alternates: M1179, M-1179, P3260A, P-3260A, 88064, 4820-00-401-8180, 00-401-8180, 4820004018180, 004018180

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 30 MAR 1970 00-401-8180

Cross Reference | NSN 4820-00-401-8180

Part Number Cage Code Manufacturer
88064 25515 CONTINENTAL DISC CORPORATION
M-1179 25515 CONTINENTAL DISC CORPORATION
M1179 11568 GARDNER DENVER INC.
P-3260A 11568 GARDNER DENVER INC.

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Technical Data | NSN 4820-00-401-8180

Characteristic Specifications
HEAD MATERIAL STEEL CORROSION RESISTING
END CONNECTION TYPE THREADED
BURST PRESSURE 356.0 PRESSURE POUNDS PER SQUARE INCH GAGE
BURST TEMPERATURE 72.0 DEG FAHRENHEIT

Restrictions/Controls & Freight Information | NSN 4820-00-401-8180

Category Code Description
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.
Precious Metals Indicator Code:UPrecious metal type is unknown
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