Product Details | VALVE SEAT

4820-00-399-4472 A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.20248100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: 1791692, 1JC6125PC2, 1-JC-6125PC2, 1JC6125PIECE2, 1-JC-6125PIECE2, 1JH2856PC48, 1JH2856PIECE48, 1-JH-2856PIECE48, 4820-00-399-4472, 00-399-4472, 4820003994472, 003994472

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-399-4472

Drawings & Photos | NSN 4820-00-399-4472


Cross Reference | NSN 4820-00-399-4472

Part Number Cage Code Manufacturer
1-JC-6125PC2 90099 NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS
1-JC-6125PIECE2 11660 WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
1-JH-2856PIECE48 11660 WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
1-JH-2856PIECE48 90099 NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS
1791692 11660 WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
1791692 79500 WESTINGHOUSE ELECTRIC CORP
1791692 90099 NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS
1JH2856PC48 79500 WESTINGHOUSE ELECTRIC CORP

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Technical Data | NSN 4820-00-399-4472

Characteristic Specifications
STYLE DESIGNATOR B7 PLAIN FLANGED
FLANGE DIAMETER 1.563 INCHES MINIMUM AND 1.573 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 1.062 INCHES MINIMUM AND 1.063 INCHES MAXIMUM
BODY INSIDE DIAMETER 0.688 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT 0.477 INCHES MINIMUM AND 0.483 INCHES MAXIMUM
UNDER FLANGE HEIGHT 1.329 INCHES MINIMUM AND 1.335 INCHES MAXIMUM
MATERIAL STEEL BODY ROD,WELDING,SURFACING FACE
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-853,CLASS 3,TYPE A MIL SPEC SINGLE MATERIAL RESPONSE BODY MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM
TAPER MINOR DIAMETER 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM
TAPER MAJOR DIAMETER 0.688 INCHES NOMINAL
TAPER LENGTH 0.376 INCHES NOMINAL
MANUFACTURERS CODE 11660
DESIGN CONTROL REFERENCE 1-JC-6125PIECE2

Restrictions/Controls & Freight Information | NSN 4820-00-399-4472

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 XX
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 4820-00-399-4472

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesXSEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each