Lift-Check Valve

820-4445829-2REVA

820-4445829-2REVA
(NSN) National Stock Number
4820-00-501-8789
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
27828
Schedule B Code
-
Summary

Zzzy criticality code justification, selected and tested for nuclear propulsion plant systems reference number differentiating characteristics

DAC HCC DMIL RNCC
2 - - 3
RNVC SADC MSDS RNAAC
1 - - HA
Identification

A valve with a stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. In the second position, the valve disk is lifted from the seat to allow a flow of fluid in either direction through the valve. The valve disk may be spring loaded. See also valve, stop-check and valve, stop-lift-check.

INC FIIG Concept Condition
27828 A530B0 1 2
Specifications
Criticality Code Justification
zzzy
Details The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.
Reference Number Differentiating Characteristics
selected and tested for nuclear propulsion plant systems
Details A feature of the item of supply which must be specifically recorded when the reference number covers a range of items.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
820-4445829-2 53711 C - 5 1 - HA
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
29300 - W -
RVC WCC TCC SHC
- 594 Z 9

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Manufacturer
NAVAL SHIP SYSTEMS COMMAND
CAGE: 80064
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FAQs
Frequently asked questions for NSN 4820-00-501-8789
What is the NIIN of the NSN 4820-00-501-8789?
The National Item Identification Number (NIIN) of the NSN 4820-00-501-8789 is 00-501-8789
When the NSN 4820-00-501-8789 was assigned to the Federal Catalog?
It was assigned 50 years ago, on Tue, Jul 9, 1974
Does the NSN 4820-00-501-8789 contain any precious metals?
Does not contain precious metal
Does the NSN 4820-00-501-8789 contain any hazardous material?
No data in HMIRS

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