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4820-00-340-0856

Valve Seat

4820003400856 003400856 8U8018-5

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

4820-00-340-0856 SEAT,VALVE 4820003400856 003400856

Managed by United States
NSN Created on 1 Jan 1963
Data Last Changed
January 2023
NATO Update Count
12
NATO Data Quality
4820-00-340-0856 SEAT,VALVE 4820003400856 003400856 1/1
NSN 4820-00-340-0856 (Generic Image) 1/1

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4820-00-340-0856 Demil Restrictions 4820-00-340-0856

DEMIL: B | DEMILI: | CRITICALITY: X | HMIC: N | PMIC: U | EDC: | ADPEC:

4820-00-340-0856 is a Valve Seat that does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. This item is a US Munitions List Item and must be mutilated to scrap. This item is not suspected to be hazardous. The precious metals content of this item is unknown.

4820-00-340-0856 HTS and ScheduleB Import and Export 4820-00-340-0856

4820-00-340-0856 End Users End Users 4820-00-340-0856

Brazil (YA)
Brazil (YA01)
Effective Date:
1 Dec 2001
Greece (ZU)
Greece (ZU01)
Effective Date:
1 Apr 1991

4820-00-340-0856 Manufacturers Approved Sources 4820-00-340-0856

4820-00-340-0856 Technical Data Datasheet 4820-00-340-0856

Characteristic
Specifications
FIIG
A15500
Body Inside Diameter [ADAS]
0.188 Inches Minimum And 0.189 Inches Maximum
Body Outside Diameter [ADAR]
0.433 Inches Minimum And 0.435 Inches Maximum
Flange Diameter [ABKK]
0.558 Inches Minimum And 0.560 Inches Maximum
Flange Seat To Disk End Height [AJRF]
0.890 Inches Minimum And 0.900 Inches Maximum
Fsc Application Data [ZZZV]
Valve,Linear,Directional Control,Acft
Material [MATT]
Aluminum Alloy 7075 Overall
Special Features [FEAT]
4 Bleed Holes
Under Flange Height [AJRM]
0.140 Inches Minimum And 0.150 Inches Maximum
Surface Treatment [SFTT]
Anodize Overall

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4820-00-340-0856 Freight Data Freight Information 4820-00-340-0856

4820-00-340-0856 has freight characteristics.. 4820-00-340-0856 has a variance between NMFC and UFC when transported by rail and the description should be consulted.