Product Details | CHECK VALVE

4820-01-250-5079 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: SS4C11, SS-4C1-1, 4820-01-250-5079, 01-250-5079, 4820012505079, 012505079

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 03 MAR 1987 01-250-5079

Drawings & Photos | NSN 4820-01-250-5079


Cross Reference | NSN 4820-01-250-5079

Part Number Cage Code Manufacturer
SS-4C1-1 02570 SWAGELOK COMPANY DBA USE CAGE CODE 3T9T9 FOR
SS-4C1-1 18034 NUPRO CO
SS-4C1-1 U7307 SOUTH LONDON VALVE & FITTING COMPANY TD T/A SWAGELOK LONDON

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Technical Data | NSN 4820-01-250-5079

Characteristic Specifications
MATERIAL STEEL COMP 316 BODY STEEL COMP 316 FLOW CONTROL DEVICE RUBBER FLUOROCARBON CLASS FPM PACKING
STYLE DESIGNATOR A3 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MAXIMUM OPERATING TEMP 400.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL PIPE ALL ENDS
CONNECTION STYLE B46A PLAIN ALL ENDS
THREAD SERIES DESIGNATOR NPT ALL ENDS
NOMINAL THREAD SIZE 0.250 INCHES ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
MOUNTING POSITION HORIZONTAL OR VERTICAL
DISK LOADING METHOD SPRING

Restrictions/Controls & Freight Information | NSN 4820-01-250-5079

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: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.
Category Code Description
NMF Description 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating M 85
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code 9Z DLIS-K
Battle Creek, MI 49037-3084
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 Z unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable