Product Details | VALVE SEAT

4820-01-283-9673 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: H8832408, 207028, 2070-28, 2070-28 PIECE 29, 207028PIECE29, 4457259, 4457259 PIECE 29, 4457259PIECE29, 522 5489289 REV-ITEM 08SQ, 522 6640215 REV-ITEM 08SQ, 5224457259, 522-4457259, 522-4457259 PIECE 29, 5224457259PIECE29, 5225489289REVITEM08SQ, 5226640215REVITEM08SQ, 5489289, 5489289 ITEM 8, 54892898, 5489289-8, 5489289ITEM8, 6440215, 64402158, 6440215-8, 4820-01-283-9673, 01-283-9673, 4820012839673, 012839673

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 16 AUG 1988 01-283-9673

Drawings & Photos | NSN 4820-01-283-9673


Demand History | NSN 4820-01-283-9673

Part Number Request Date QTY Origin
4820-01-283-9673 2013-03-71 4 DIBBS
4820-01-283-9673 2013-02-46 2 DIBBS

Cross Reference | NSN 4820-01-283-9673

Part Number Cage Code Manufacturer
2070-28 43689 HUNTINGTON INGALLS INCORPORATED DIV NEWPORT NEWS
2070-28 PIECE 29 43689 HUNTINGTON INGALLS INCORPORATED DIV NEWPORT NEWS
4457259 43689 HUNTINGTON INGALLS INCORPORATED DIV NEWPORT NEWS
4457259 PIECE 29 43689 HUNTINGTON INGALLS INCORPORATED DIV NEWPORT NEWS
522 5489289 REV-ITEM 08SQ 53711 NAVAL SEA SYSTEMS COMMAND
522 6640215 REV-ITEM 08SQ 53711 NAVAL SEA SYSTEMS COMMAND
522-4457259 43689 HUNTINGTON INGALLS INCORPORATED DIV NEWPORT NEWS
522-4457259 PIECE 29 43689 HUNTINGTON INGALLS INCORPORATED DIV NEWPORT NEWS
5489289 53711 NAVAL SEA SYSTEMS COMMAND
5489289 ITEM 8 53711 NAVAL SEA SYSTEMS COMMAND
5489289-8 53711 NAVAL SEA SYSTEMS COMMAND
6440215 53711 NAVAL SEA SYSTEMS COMMAND
6440215-8 53711 NAVAL SEA SYSTEMS COMMAND
H8832408 25685 NAVAL SHIP ENGINEERING CENTER PHILADELPHIA DIVISION

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Technical Data | NSN 4820-01-283-9673

Characteristic Specifications
STYLE DESIGNATOR B6 PLAIN
OVERALL HEIGHT 2.750 INCHES NOMINAL
BODY OUTSIDE DIAMETER 0.499 INCHES NOMINAL
BODY INSIDE DIAMETER 0.388 INCHES NOMINAL
MATERIAL STEEL CORROSION RESISTING OVERALL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG 45.000 NOMINAL
SEAT RADIUS 0.062 INCHES NOMINAL
III END ITEM IDENTIFICATION U.2.NAVY SSN688 CLASS SUBMARINE NO. 1 AND 2 PERISCOPE FAIRING HOIST CYLINDER

Restrictions/Controls & Freight Information | NSN 4820-01-283-9673

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 576 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 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 4820-01-283-9673

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 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