4820-01-456-8399

Oxygen System Pressure Regulating Valve email this page
ITAR Registered

Model or part number: 81-250-540

Pricing & Availability

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pdf NSN 4820-01-456-8399 Datasheet

MRC:
The basic material of which the body is fabricated.AAFZ
Body Material:
Brass
MRC:
A measurement of volume taken by multiplying the length by the width by the height of an item and rendered in cubic units.AFJK
Cubic Measure:
0.23 cubic feet
MRC:
The national stock number or the identification information of the end equipment for which the item is a part.AGAV
End Application:
Oxygen enriched air system (oeas)
MRC:
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.CRTL
Criticality Code Justification:
Agav
MRC:
--
NIIN:
014568399
MRC:
--
NATO Stock Number:
4820-01-456-8399
MRC:
--
Shelf Life:
N/A
MRC:
--
UOM:
--
MRC:
--
DEMIL:
Yes - DEMIL/MLI
Export Control Information  
FIIG:
--
FIIG:
A21100
MRC:
--
INC:
37940
MRC:
--
IMM:
AX
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All Products Certified

Factory New, New Material, New Surplus, Overhauled, Serviceable, Repairable, and AS Removed / Used material will be accompanied by a Certificate of Conformance, and any other documents/trace when applicable. We have a 7 year record retention.

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Quality | ISO 9001:2015 + AS9120B

We are committed to quality and follow an AS9120 quality management system. AeroBase Group is HAZMAT certified and registered with DDTC, ITAR, and Aviation Suppliers Association (ASA). All products are 100% inspected.

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Shipping

Delivery of IN-STOCK orders ship same-day when order is placed before 2:00 PM EST.

Delivery dates for NON-STOCK items are estimates based on current backlog and are subject to confirmation at the time of order.

Formal Definition

Government issue definition of NSN 4820-01-456-8399

A valve used to automatically maintain within close limits a predetermined pressure within an oxygen system regardless of the higher fluctuating or constant inlet pressure. The excess pressure is bypassed to the accumulator or reservoir in lieu of passing through the entire system. It is specifically designed and/or cleaned for oxygen systems. Excludes valve, regulating, system pressure; valve regulating, fluid pressure and valve, calibrated flow.

Import / Export

Schedule B Classification
Schedule B Number
NAIC National Association of Insurance Commissioners
End Use A classification system for U.S. exported and imported merchandise based on principal use rather than the physical characteristics of the merchandise. End-Use codes are assigned by the Bureau of Economic Analysis under the U.S. Department of Commerce.
SITC Commodity classification system defined by the United Nations.
USDA
HITECH
Schedule B:
8481809015
NAICS:
332911
End Use Class:
21180
SITC:
74780
USDA:
1
HITECH:
0

Schedule B Codes Definitions:

Schedule B 8481809015

Operating, For Controlling Variables Such As Temperature, Pressure, Flow and Liquid Level Regulator Valves, Self

End Use Code 21180

Industrial Machines, Other

Standard Intl. Trade Class (SITC) 74780

Taps, Cocks, Valves and Similar Appliances, N.e.s.

Freight

Universal / National freight and handling information
NMFC
Class
UFC
LTL
LCL
WCC
TCC
SHC
ADC
ACC
NMFC:
127220
NMF Description:
Pressure Reg/red/relief Valves Noi
UFC:
64490
LTL:
77.5
LCL:
77.5
WCC:
576
TCC:
3
SHC:
9
ADC:
A
ACC:
A

Freight Codes Definitions:

Cargo Type (TCC) 3

Electrostatic sensitive device (esd).

Water Commodity (WCC) 576

Metal and metal products, nos, (less than 35 feet).

Air Commodity (ACC) A

Supplies and equipment for aircraft and aerial targets, including aircraft and maintenance parts, aircraft accessories, aircraft.

Air Dimensions (ADC) A

Shipment is not a consolidation and does not exceed 84 inches in any dimension.

Air Special Handling (SHC) 9

Other or no special handling required (sh)

Manufacturers

This NSN is registered to the following cage codes.
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