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4820-01-664-2856

Vent-Check Valve

4820016642856 016642856 3-1660WSSM-18C

A dual purpose marine valve used primarily with shipboard cargo tanks and bulkheads. It acts both as a vent valve, to relieve vacuum and pressure, and a check valve, to prevent cargo contamination. It is equipped with an internal flame screen and/or a protective mesh and may include a hinged cover. View more Vent-Check Valve

4820-01-664-2856 VALVE,VENT-CHECK 4820016642856 016642856

Managed by United States
NSN Created on 13 Jun 2017
Data Last Changed
May 2023
NATO Update Count
1
NATO Data Quality
4820-01-664-2856 VALVE,VENT-CHECK 4820016642856 016642856 1/1
NSN 4820-01-664-2856 (Generic Image) 1/1

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99-666-0911 -4820/us 4820-01-643-5770 Vent-Check https//www.nsnlookup.com /fsg-48/fsc-4820/us 4820-01-664-2856
Vent-Check Valve 4820016642856 016642856 455-9267 4820-01-446-3693 4820-01-664-2856 https https
fsg-48/fsc-4820/us 4820-01-643-5770 Vent-Check Valve 4820016435770016435770 fsg-48/fsc-4820/us 4820-01-664-2856
-48/fsc-4820/us 4820-01-643-5770 Vent-Check Valve 4820016435770 016435770 fsg-48/fsc-4820/us 4820-01-664-2856
Vent-Check Valve 4820016642856 016642856 4820-01-455-9267 4820-01-446-3693 4820-99-724-2644 https
Vent-Check Valve 4820016642856 016642856 fsg-48/fsc-4820/us 4820-01-664-2856 Vent-Check Valve 4820016642856016642856
2644 4820-99-666-0911 -4820/us 4820-01-572-9954 https//www.nsnlookup.com /fsg-48/fsc-4820/us 4820-01-664-2856
Vent-Check Valve 4820016642856 016642856 RQST NE Updated Every Day 4820-01-664-2856 RQST https/
204-1298 4820-99-724-2644 4820-99-666-0911 4820-01-312-6700 4820-01-455-9267 4820-01-446-3693 4820-01-664-2856
4820-99-724-2644 4820-99-666-0911 4820-01-312-6700 https//www.nsnlookup.com /fsg-48/fsc-4820/us 4820-01-664-2856
Vent-Check Valve 4820016642856 016642856 Valve 4820015729954015729954 455-9267 4820-01-446-3693
4820-01-664-2856 2644 4820-99-666-0911 4820-01-312-6700 -455-9267 4820-01-446-3693 4820-01-664-2856

4820-01-664-2856 Demil Restrictions 4820-01-664-2856

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

4820-01-664-2856 is a Vent-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.

4820-01-664-2856 Manufacturers Approved Sources 4820-01-664-2856

4820-01-664-2856 Stock, Inventory and Procurement DLA Procurement Analysis 4820-01-664-2856

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4820-01-664-2856 Management Data Management Data 4820-01-664-2856

Effective Date
Organization
Unit of Issue
Unit Price
Qty Unit Pack
Mar 2023
Defense Logistics Agency (DS)
EA
Subscribe
Oct 2021
Department of the Navy (DN)
EA
Subscribe
1
Oct 2020
Department of the Navy (DN)
EA
Subscribe
1
Oct 2019
Department of the Navy (DN)
EA
Subscribe
1

Navy Navy

Cognizance:
9B
Navy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg

4820-01-664-2856 Related Items NATO Stock Numbers Related to 4820-01-664-2856

4820-01-664-2856 Contracting Technical Data File (CTDF) Contracting Technical Data File (CTDF) 4820-01-664-2856 October 2021

Criticality and Quality

Critical Item Code:
Flight Safety:
Life Support:
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First Article Test (FAT):
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Commercial Properties

Government Furnished Material:
Government Furnished Tooling:
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Restrictions

Boeing Rights Guard:
Export Controlled:
Controlled Technical Data Package (TDP):
Restricted Technical Data Package (TDP):
Contains Classified Material
Weapons System Indicator Code (WSIC):
N

Packaging Requirements

Packaging Determination Table:
Packaging Review Code:
Y
Special Packaging Instruction Number (SPIN):
Special Packaging Instruction Number Revision:
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Pallet Reference Number Required: