Product Details | CHECK VALVE

4820-01-503-3499 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: HMM112A001, HMM11-2A-001, HMM11-2A-001-8.0IN, HMM112A00180IN, 4820-01-503-3499, 01-503-3499, 4820015033499, 015033499

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 13 DEC 2002 01-503-3499

Drawings & Photos | NSN 4820-01-503-3499


Demand History | NSN 4820-01-503-3499

Part Number Request Date QTY Origin
HMM11-2A-001-8.0IN 2024-05-127 3 DIBBS
HMM11-2A-001-8.0IN 2024-01-23 1 DIBBS
HMM11-2A-001-8.0IN 2023-12-360 2 DIBBS
HMM11-2A-001-8.0IN 2023-12-348 2 DIBBS
HMM11-2A-001-8.0IN 2023-11-318 1 DIBBS

Cross Reference | NSN 4820-01-503-3499

Part Number Cage Code Manufacturer
HMM11-2A-001 57574 VELAN VALVE CORPORATION DIV VELAN VALVE CORPORATION
HMM11-2A-001-8.0IN 57574 VELAN VALVE CORPORATION DIV VELAN VALVE CORPORATION

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Technical Data | NSN 4820-01-503-3499

Characteristic Specifications
MATERIAL COPPER ALLOY 952 BODY NICKEL ALLOY FLOW CONTROL DEVICE RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
MATERIAL DOCUMENT AND CLASSIFICATION ASTM B148 ASSN STD SINGLE MATERIAL RESPONSE BODY ASTM B494 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
STYLE DESIGNATOR A6A STRAIGHT THRU FLANGED ENDS
VALVE SIZE 8.000 INCHES
FACE TO FACE DISTANCE 5.000 INCHES
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE ALL ENDS
FLANGE SHAPE ROUND ALL ENDS
NOMINAL OUTSIDE DIAMETER 11.000 INCHES ALL ENDS
NOMINAL THICKNESS 5.000 INCHES ALL ENDS
FLANGE FACE DESIGN PLAIN ALL ENDS
MOUNTING POSITION HORIZONTAL OR VERTICAL
SPECIAL FEATURES WAFER TYPE CONNECTIONS(FULL FACE)
PART NAME ASSIGNED BY CONTROLLING AGENCY FULL FACE WAFER CHECK VALVE.

Restrictions/Controls & Freight Information | NSN 4820-01-503-3499

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 594 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
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 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4820-01-503-3499

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
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