Product Details | GATE VALVE

4820-00-939-8023 A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.20248100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: B083054B05TS2325610REVBMODL1, B08-3054B05TS23256-10REVBMODL1, B8354B57S, B8354B-57S, B8354B57SL1, B8354B-57SL1, 51484ITEM1, 51484ITEM1L1, 4820-00-939-8023, 00-939-8023, 4820009398023, 009398023

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 30 NOV 1965 00-939-8023

Cross Reference | NSN 4820-00-939-8023

Part Number Cage Code Manufacturer
51484ITEM1 57574 VELAN VALVE CORPORATION DIV VELAN VALVE CORPORATION
51484ITEM1L1 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
B08-3054B05TS23256-10REVBMODL1 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
B8354B-57S 57574 VELAN VALVE CORPORATION DIV VELAN VALVE CORPORATION
B8354B-57SL1 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG

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Technical Data | NSN 4820-00-939-8023

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING BODY COBALT ALLOY SEAT
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED 1500.0 POUNDS PER SQUARE INCH STEAM
VALVE OPERATION METHOD MANUAL
CONNECTION TYPE BUTT WELD PIPE
NOMINAL PIPE SIZE ACCOMMODATED 2.000 INCHES
STEM TYPE RISING
BONNET TYPE OUTSIDE SCREW-YOKE
NONDEFINITIVE SPEC/STD DATA B COMPOSITION
DEPARTURE FROM CITED DOCUMENT QUALITY ASSURANCE TESTING IAW NAVY LEVEL 1 ASSURANCE GUIDE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
CRITICALITY CODE JUSTIFICATION ZZZY
MANUFACTURERS CODE 57574
DESIGN CONTROL REFERENCE B8354B-57S

Restrictions/Controls & Freight Information | NSN 4820-00-939-8023

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:SThe item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel.
Category Code Description
NMF Description 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating Q 70
Less than truck load rating W Rating Variable
Water commodity Code 736 unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
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 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4820-00-939-8023

Category Code Description
Cognizance Codes3HNAVICP MECH managed Field Level Repairables
Naval Inventory Control Point, Mechanicsburg
Special Material IDL1An items that supports either a SUBSAFE or Level 1 system that has undergone the extreme material control and quality assurance techniques that provide objective exidence of its acceptance for its appropriate application. Each item has certification papers (or special markings that provide traceability to the certification) that pedigree its material and physical properties, provide traceability, to manufacturer, contract list and lot, and document the quality assurance system and test requirements applied to the item.
Issue Repair, or RequisitionBLSubmit/refer requisitions to NAVICP MECH. Centralized control for issue of repair parts for specific programs/equipments.
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of SupplyNRPNAVICP-ERP
700 Robbins Avenue
Philadelphia, PA 19111-5098
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each