4820-01-420-3991

Gaseous Products Pressure Equalizing Valve email this page

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Reference of NSN 4820-01-420-3991 Reference of NSN 4820-01-420-3991

Model or part number: TA770-05-15-R

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Description

Breather Valve NSN 4820-01-420-3991.

pdf NSN 4820-01-420-3991 Datasheet

MRC:
The basic material of which the body is fabricated.AAFZ
Body Material:
Aluminum
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the body.AAQL
Body Style:
Single connection straight thru
MRC:
A narrative description of the type of end connection.ACKM
First End Connection Type:
Threaded internal pipe
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the end.ACKN
First End Style Designator:
External seat for gasket seal
MRC:
The industrial designation or term used to define the nominal diameter of the pipe the end will accommodate.ACLG
First End Pipe Size Accommodated:
2.000 inches
MRC:
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.ACLL
First End Thread Direction:
Right-hand
MRC:
The part that controls the flow through the item.ADQU
Flow Control Device:
Disk, flat
MRC:
The number of end connections included in the item.ADQZ
End Connection Quantity:
1
MRC:
Indicates the type of valve venting design,whether for use in a closed system or for venting to the atmosphere.AFLE
Valve Venting Design Type:
Atmospheric
MRC:
Indicates the type of valve relief design,whether for pressure or vacuum relief or for both pressure and vacuum relief.AFLF
Valve Relief Design Type:
Pressure and vacuum
MRC:
A designator distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.CQMM
First End Thread Series Designator:
Uns
MRC:
The designation which is used for the purpose of general identification of the nominal thread size.CQYM
First End Thread Size:
2.000 inches
MRC:
--
NIIN:
014203991
MRC:
--
NATO Stock Number:
4820-01-420-3991
MRC:
--
Shelf Life:
N/A
MRC:
--
UOM:
--
MRC:
--
DEMIL:
No
FIIG:
--
FIIG:
A07100
MRC:
--
INC:
10958
MRC:
--
IMM:
AX
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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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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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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 4820-01-420-3991

A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. It is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. The center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. It may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. Exclude valve, vacuum breaking.

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:
8481809050
NAICS:
332911
End Use Class:
21180
SITC:
74780
USDA:
1
HITECH:
0

Schedule B Codes Definitions:

Schedule B 8481809050

Other Taps, Cocks, Valves, Etc., Nesoi

End Use Code 21180

Industrial Machines, Other

Standard Intl. Trade Class (SITC) 74780

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

Manufacturers

This NSN is registered to the following cage codes.
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