Product Details | CHECK VALVE

4820-01-250-4121 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: 1749, 330118, 330118P01, 4820-01-250-4121, 01-250-4121, 4820012504121, 012504121

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 MAR 1987 01-250-4121

Drawings & Photos | NSN 4820-01-250-4121


Cross Reference | NSN 4820-01-250-4121

Part Number Cage Code Manufacturer
1749 96948 KEPNER PRODUCTS COMPANY
330118 33654 HOWDEN FLUID SYSTEMS
330118P01 33654 HOWDEN FLUID SYSTEMS
330118P01 58163 MEGGITT (NORTH HOLLYWOOD), INC. DBA MEGGITT CONTROL SYSTEMS

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Technical Data | NSN 4820-01-250-4121

Characteristic Specifications
MATERIAL STEEL COMP 303 BODY PLASTIC POLYPROPYLENE PACKING
STYLE DESIGNATOR A3 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED ETHYLENE GLYCOL 1ST RESPONSE WATER, FRESH 2ND RESPONSE
MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 131.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE UNTHREADED EXTERNAL TUBE 1ST END UNTHREADED EXTERNAL PIPE 2ND END
CONNECTION STYLE B60A PLAIN 1ST END B60B PLAIN 2ND END
NOMINAL PIPE SIZE ACCOMMODATED 0.311 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.172 INCHES 1ST END
MOUNTING POSITION HORIZONTAL
SPECIAL FEATURES MEDIA REQUIRES A MIXTURE OF 67PERCENT-ETHYLENE AND 33PERCENT-WATER BY VOLUME;CARTRIDGE TYPE

Restrictions/Controls & Freight Information | NSN 4820-01-250-4121

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.
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 594 unknown
Originating Activity Code AH Defense Supply Center Columbus
Columbus, OH 43215
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

Management | NSN 4820-01-250-4121

Category Code Description
Materiel Category and Inventory ManagerJ Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each