Product Details | PRESSURE RELIEF SAFETY HEAD

4820-01-009-4670 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: BU12AL7972, BU1-2AL79-72, 4820-01-009-4670, 01-009-4670, 4820010094670, 010094670

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 11 SEP 1975 01-009-4670

Demand History | NSN 4820-01-009-4670

Part Number Request Date QTY Origin
4820-01-009-4670 2014-01-30 16 DIBBS
4820-01-009-4670 2009-04-98 2 DIBBS

Cross Reference | NSN 4820-01-009-4670

Part Number Cage Code Manufacturer
BU1-2AL79-72 06370 FIKE CORPORATION

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Technical Data | NSN 4820-01-009-4670

Characteristic Specifications
HEAD MATERIAL ALUMINUM
HEAD TYPE UNION
HEAD SIZE 0.500 INCHES
END CONNECTION TYPE THREADED
BURST PRESSURE 79.0 PRESSURE POUNDS PER SQUARE INCH GAGE
BURST TEMPERATURE 72.0 DEG FAHRENHEIT

Restrictions/Controls & Freight Information | NSN 4820-01-009-4670

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: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 051400 PIPE FITTINGS ALUMINUM
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 576 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