Product Details | VALVE SEAT

4820-00-399-4460 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: 1505659, 911C931PC6, 4820-00-399-4460, 00-399-4460, 4820003994460, 003994460

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-399-4460

Drawings & Photos | NSN 4820-00-399-4460


Cross Reference | NSN 4820-00-399-4460

Part Number Cage Code Manufacturer
1505659 11660 WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
1505659 79500 WESTINGHOUSE ELECTRIC CORP
1505659 90099 NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS
911C931PC6 79500 WESTINGHOUSE ELECTRIC CORP
911C931PC6 90099 NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS

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Technical Data | NSN 4820-00-399-4460

Characteristic Specifications
STYLE DESIGNATOR B6 PLAIN
OVERALL HEIGHT 1.057 INCHES MINIMUM AND 1.067 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 1.625 INCHES NOMINAL
BODY INSIDE DIAMETER 0.531 INCHES NOMINAL
MATERIAL STEEL COMP 410 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-00763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
TAPER MINOR DIAMETER 0.375 INCHES NOMINAL
TAPER MAJOR DIAMETER 0.531 INCHES NOMINAL
SPECIAL FEATURES THIS IS A REPAIR PART AND 0.125 IN.EXCESS IS LEFT ON OUTSIDE DIAMETER AND 0.063 IN. ON ALL OTHER SURFACES IN ORDER THAT THEY MIGHT BE MACHINED TO PROPER DIMENSIONS WHEN REPLACING WORN PART. GRIND AFTER STELLITING. FINISHED OUTSIDE DIAMETER IS 1.438 PORM 0.002

Restrictions/Controls & Freight Information | NSN 4820-00-399-4460

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 4820-00-399-4460

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