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4820-01-680-2454

Valve Seat

4820016802454 016802454 845-2110253PC04A

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. View more Valve Seat

Managed by United States

NSN Created on 25 Apr 2019

Data Last Changed
May 2023

NATO Update Count
1

NATO Data Quality

4820-01-680-2454 SEAT,VALVE 4820016802454 016802454 1/1 — NSN 4820-01-680-2454 (Generic Image) 1/1

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4820-01-680-2454 RQST NE

Restrictions 4820-01-680-2454

4820-01-680-2454 is a Valve Seat that does not have a nuclear hardened feature, but does have another critical feature or features such as tolerance, fit restriction or application. This item is a US Munitions List or Commerce Control List Item where the Item Manager, Equipment Specialist or Product Specialist must provide special demilitarization instructions. This item is not suspected to be hazardous. This item does not contain a precious metal.

Import and Export 4820-01-680-2454

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Approved Sources 4820-01-680-2454

Part Number
Manufacturer
Status
845-2110253PC04A: 80064 - Naval Ship Systems Command (Active); Incomplete Reference; RNCC 3 RNVC 1 DAC 3

Management Data 4820-01-680-2454

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Effective Date: Organization; Unit of Issue; Unit Price; Qty Unit Pack
Oct 2022: Department of the Navy (DN); EA; Subscribe; 1
Oct 2021: Department of the Navy (DN); EA; Subscribe; 1
Oct 2020: Department of the Navy (DN); EA; Subscribe; 1
Aug 2019: Department of the Navy (DN); EA; Subscribe; 1

Navy

Cognizance:

1H: Consumable material assigned to NAVICP MECH for inventory management
Naval Inventory Control Point, Mechanicsburg

Special Material ID:

X3: Nuclear Reactor Plant (NRP) material under the technical cognizance of the NAVSEA 08 special designed, manufactured and/or treated for use in a NRP or controls thereof. This category includes all other NRP items which are not coded X2 or X4.

Issue, Repair, Requisition Restriction Code: