Product Details | CHECK VALVE

4820-01-254-3808 A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part Alternates: T4135, T-413-5, T-413-Y-1/4 FPT, T413Y14FPT, T413Y5, T-413-Y-5, 33S3101, 33S3-101, 500143, 5001-43, 4820-01-254-3808, 01-254-3808, 4820012543808, 012543808

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 05 MAY 1987 01-254-3808

Drawings & Photos | NSN 4820-01-254-3808


Cross Reference | NSN 4820-01-254-3808

Part Number Cage Code Manufacturer
33S3-101 98437 ELLIS & WATTS INTERNATIONAL, LLC
5001-43 05869 RAYTHEON COMPANY DBA RAYTHEON
T-413-5 12168 NORTHERN INDIANA BUSINESS SERVICES
T-413-Y-1/4 FPT 12168 NORTHERN INDIANA BUSINESS SERVICES
T-413-Y-5 12168 NORTHERN INDIANA BUSINESS SERVICES

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Technical Data | NSN 4820-01-254-3808

Characteristic Specifications
MATERIAL COPPER ALLOY 836 BODY COPPER ALLOY 836 FLOW CONTROL DEVICE PLASTIC POLYTETRAFLUOROETHYLENE SEAT
MATERIAL DOCUMENT AND CLASSIFICATION ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE BODY ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE MSS SP-80 MIL SPEC SINGLE MATERIAL RESPONSE SEAT
STYLE DESIGNATOR A4 STRAIGHT THRU
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED STEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 125.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 450.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE B9 PLAIN ALL ENDS
THREAD SERIES DESIGNATOR NPTF ALL ENDS
NOMINAL THREAD SIZE 0.250 INCHES ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
MOUNTING POSITION HORIZONTAL OR VERTICAL
SPECIFICATION/STANDARD DATA 98437-33S3-101 MANUFACTURERS SOURCE CONTROL
SUPPLEMENTARY FEATURES REF DATA FED SPEC WW-V-51,CLASS A,TYPE 4 AND MMS SP-80
MANUFACTURERS CODE 98437
MFR SOURCE CONTROLLING REFERENCE 33S3-101

Restrictions/Controls & Freight Information | NSN 4820-01-254-3808

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