Product Details | CHECK VALVE

4820-01-283-3957 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: 40003836, P430, 4820-01-283-3957, 01-283-3957, 4820012833957, 012833957

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 05 AUG 1988 01-283-3957

Demand History | NSN 4820-01-283-3957

Part Number Request Date QTY Origin
4820-01-283-3957 2010-07-210 19 DIBBS
4820-01-283-3957 2009-09-244 9 DIBBS

Cross Reference | NSN 4820-01-283-3957

Part Number Cage Code Manufacturer
40003836 45402 PACIFIC SCIENTIFIC COMPANY DBA PACIFIC SCIENTIFIC HTL/KIN TECHS
P430 06239 AUSCO,INC.

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Technical Data | NSN 4820-01-283-3957

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING BODY
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5643,17-4PH ASSN STD 1ST MATERIAL RESPONSE AND AMS 5678,17-7PH ASSN STD 2ND MATERIAL RESPONSE BODY
VALVE SIZE 0.250 INCHES
FACE TO FACE DISTANCE 1.010 INCHES
MEDIA FOR WHICH DESIGNED ACETYLENE 1ST RESPONSE NITROGEN, GASEOUS 2ND RESPONSE
MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
SPECIAL FEATURES MATERIAL FOR SEALS: SILICONE RUBBER,AMS 3304; ENDS OF 2ND END CONNECTION ANGLED FOR SEAT
SUPPLEMENTARY FEATURES APPL TO ACFT,TYPE C-5B
MANUFACTURERS CODE 06239
DESIGN CONTROL REFERENCE 40003836

Restrictions/Controls & Freight Information | NSN 4820-01-283-3957

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:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
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.
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
NMF Description 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 576 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 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