Product Details | BUTTERFLY VALVE

4820-00-228-2179 A valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.20248100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: 21FSSB, 4820-00-228-2179, 00-228-2179, 4820002282179, 002282179

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 20 MAY 1973 00-228-2179

Drawings & Photos | NSN 4820-00-228-2179


Cross Reference | NSN 4820-00-228-2179

Part Number Cage Code Manufacturer
21FSSB 14959 CRANE CO DIV VALVE DIV

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Technical Data | NSN 4820-00-228-2179

Characteristic Specifications
MATERIAL IRON CAST BODY RUBBER SEAT STEEL STEM
MATERIAL DOCUMENT AND CLASSIFICATION MIL-R-15624,CL 3 MIL SPEC SINGLE MATERIAL RESPONSE SEAT 66 FED STD SINGLE MATERIAL RESPONSE AND AISI 304/SAE 30304 ASSN STD SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATOR A1 STRAIGHT THRU
MAXIMUM OPERATING PRESSURE 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE 1ST END
FLANGE SHAPE ROUND WITH HOLES 1ST END
BOLT HOLE QUANTITY 2 1ST END
FLANGE FACE DESIGN RAISED STRAIGHT 1ST END

Restrictions/Controls & Freight Information | NSN 4820-00-228-2179

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
No Freight Information