Product Details | CHECK VALVE

4820-00-793-9646 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: K1207417, K-1207-4-17, 4820-00-793-9646, 00-793-9646, 4820007939646, 007939646

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1962 00-793-9646

Drawings & Photos | NSN 4820-00-793-9646


Cross Reference | NSN 4820-00-793-9646

Part Number Cage Code Manufacturer
K-1207-4-17 55469 ESSEX INDUSTRIES, INC.

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Technical Data | NSN 4820-00-793-9646

Characteristic Specifications
MATERIAL ALUMINUM ALLOY BODY STEEL FLOW CONTROL DEVICE STEEL COMP 304 SEAT
MATERIAL DOCUMENT AND CLASSIFICATION QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE SEAT
SURFACE TREATMENT ANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR A6 STRAIGHT THRU
FLOW CONTROL DEVICE DISK
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLE B42 FLARED ALL ENDS
SEAT ANGLE 37.0 DEGREES ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.250 INCHES ALL ENDS
THREAD SERIES DESIGNATOR UNF ALL ENDS
NOMINAL THREAD SIZE 0.438 INCHES ALL ENDS
THREAD CLASS 3A ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
MOUNTING POSITION VERTICAL
DISK LOADING METHOD SPRING
TEST DATA DOCUMENT 34199-K-1207-4 SPECIFICATION
SUPPLEMENTARY FEATURES ADDITIONAL FLOW CONTROL DEVICE: STEM
MANUFACTURERS CODE 55469
DESIGN CONTROL REFERENCE K-1207-4-17

Restrictions/Controls & Freight Information | NSN 4820-00-793-9646

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 P 77.5
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code XX
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