Product Details | CHECK VALVE

4820-01-562-1811 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: MS245935, MS24593-5, M25675F5, M25675-F5, MILPRF25675, MIL-PRF-25675, 4820-01-562-1811, 01-562-1811, 4820015621811, 015621811

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 APR 2008 01-562-1811

Drawings & Photos | NSN 4820-01-562-1811


Demand History | NSN 4820-01-562-1811

Part Number Request Date QTY Origin
4820-01-562-1811 2025-02-54 30 KR
M25675F5 2024-05-137 2 UM
MILPRF25675 2024-05-137 2 UM
M25675F5 2020-10-297 1 US
4820-01-562-1811 2013-03-67 6 United States
MILPRF25675 2013-01-11 144 US
4820-01-562-1811 2012-05-142 47 United States
4820-01-562-1811 2012-05-137 65 Turkey

Cross Reference | NSN 4820-01-562-1811

Part Number Cage Code Manufacturer
M25675-F5 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-PRF-25675 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MS24593-5 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 4820-01-562-1811

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING BODY
STYLE DESIGNATOR A3 STRAIGHT THRU
FLOW CONTROL DEVICE PISTON
MAXIMUM OPERATING TEMP 450.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLE B42 FLARED ALL ENDS
SEAT ANGLE 37.0 DEGREES ALL ENDS
THREAD SERIES DESIGNATOR UNF ALL ENDS
NOMINAL THREAD SIZE 0.500 INCHES ALL ENDS
THREAD CLASS 3A ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-PRF-25675
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE M25675-F5

Restrictions/Controls & Freight Information | NSN 4820-01-562-1811

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.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information