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4820-01-491-2311

Check Valve

4820014912311 014912311 4004-18

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design. View more Check Valve

4820-01-491-2311 VALVE,CHECK 4820014912311 014912311

Managed by United States
NSN Created on 16 Oct 2001
Data Last Changed
January 2023
NATO Update Count
4
NATO Data Quality
4820-01-491-2311 VALVE,CHECK 4820014912311 014912311 1/1
NSN 4820-01-491-2311 (Generic Image) 1/1

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4820-01-491-2311 Demil Restrictions 4820-01-491-2311

DEMIL: A | DEMILI: 1 | CRITICALITY: X | HMIC: N | PMIC: A | EDC: A | ADPEC: 0

4820-01-491-2311 is a Check Valve that does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Demilitarization of this item has been confirmed and is not currently subject to changes. This item is considered a low risk when released from the control of the Department of Defense. The item may still be subject to the requirements of the Export Administration Regulations (EAR) and the Code of Federal Regulations (CFR). This item is not suspected to be hazardous. This item does not contain a precious metal.

4820-01-491-2311 HTS and ScheduleB Import and Export 4820-01-491-2311

4820-01-491-2311 End Users End Users 4820-01-491-2311

New Zealand (ZE01)
Effective Date:
1 Oct 2001

4820-01-491-2311 Manufacturers Approved Sources 4820-01-491-2311

4820-01-491-2311 Technical Data Datasheet 4820-01-491-2311

Characteristic
Specifications
FIIG
A530B0
Flow Control Device [ADQU]
Disk
Maximum Operating Pressure [CQGM]
15.0 Pounds Per Square Inch Single Response
Maximum Operating Temp [AEHZ]
300.0 Deg Fahrenheit Single Response
Valve Operation Method [AQLR]
Automatic
Nominal Outside Diameter [CWCD]
5.000 Inches All Ends
Bolt Hole Quantity [AECS]
8 All Ends
Bolt Hole Nominal Diameter [CWCQ]
0.223 Inches All Ends
Bolt Circle Nominal Diameter [CWCT]
4.625 Inches All Ends
Minimum Operating Temp [AEQJ]
-65.0 Deg Fahrenheit
Special Features [FEAT]
Dual 4-Inch Flapper
End Item Identification [AGAV]
Sh-2G Super Seasprite Helicopter

4820-01-491-2311 Related Items NATO Stock Numbers Related to 4820-01-491-2311

4820-01-491-2311 Freight Data Freight Information 4820-01-491-2311

4820-01-491-2311 has freight characteristics managed by New Zealand.. 4820-01-491-2311 has a variance between NMFC and UFC when transported by rail and the description should be consulted.