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4820-01-200-4449

Valve Seat

4820012004449 012004449 51970 19909N 19910NPC18

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

4820-01-200-4449 SEAT,VALVE 4820012004449 012004449

Managed by United States
NSN Created on 4 Feb 1985
Data Last Changed
November 2023
NATO Update Count
6
NATO Data Quality
4820-01-200-4449 SEAT,VALVE 4820012004449 012004449 1/1
NSN 4820-01-200-4449 (Generic Image) 1/1

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4820-01-200-4449 Related Documents Related Documents 4820-01-200-4449 5+ Documents (More...)

51970 19909N 19910NPC18 A replaceable item designed to provide a stationary seating surface for a mating
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4820-01-200-4449 Demil Restrictions 4820-01-200-4449

DEMIL: F | DEMILI: | CRITICALITY: Y | HMIC: N | PMIC: A | EDC: | ADPEC: 0

4820-01-200-4449 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.

4820-01-200-4449 Management Data Management Data 4820-01-200-4449

Effective Date
Organization
Unit of Issue
Unit Price
Qty Unit Pack
May 2000
Department of the Navy (DN)
EA
Subscribe
1
MOE
USC
Code
Statement
Order of Use
Jump To Code
Qty Per Assy
UOM
Technical Document
Quantative Expression
Department of the Navy (DN)
I
V
Discontinued Without Replacement
Department of the Navy (DN)
N
N
Disposal

Navy 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:
BL
Submit/refer requisitions to NAVICP MECH. Centralized control for issue of repair parts for specific programs/equipment

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