Product Details | CHECK VALVE

4820-01-209-2481 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: 1C1950, 4820-01-209-2481, 01-209-2481, 4820012092481, 012092481

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 25 MAY 1985 01-209-2481

Drawings & Photos | NSN 4820-01-209-2481


Cross Reference | NSN 4820-01-209-2481

Part Number Cage Code Manufacturer
1C1950 99240 CRISSAIR, INC.

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Technical Data | NSN 4820-01-209-2481

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024 BODY STEEL COMP 440C FLOW CONTROL DEVICE STEEL COMP 303SE SEAT
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE AMS 5640 NATIONAL SPEC SINGLE MATERIAL RESPONSE SEAT
SURFACE TREATMENT ANODIZE AND PASSIVATE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625 MIL STD SINGLE TREATMENT RESPONSE AND MIL-S-5002 MIL STD SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR A2 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
MAXIMUM OPERATING TEMP 275.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLE B45 FLARELESS ALL ENDS
SEAT ANGLE 12.0 DEGREES ALL ENDS
THREAD SERIES DESIGNATOR UNJ ALL ENDS
NOMINAL THREAD SIZE 1.312 INCHES 1ST END 1.062 INCHES 2ND END
THREAD QUANTITY PER INCH 12 ALL ENDS
THREAD CLASS 3A ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
MOUNTING POSITION HORIZONTAL OR VERTICAL
MANUFACTURERS CODE 99240
DESIGN CONTROL REFERENCE 1C1950

Restrictions/Controls & Freight Information | NSN 4820-01-209-2481

Category Code Description
Shelf-Life Code:0Nondeteriorative
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:QStrategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.”
Controlled Inventory Item Code:UUNCLASSIFIED
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 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating S 60
Less than truck load rating W Rating Variable
Water commodity Code 594 unknown
Originating Activity Code SE San Antonio Air Logistics Center
Kelly AFB, TX 78241-5000
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 Z unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable