Tube to Boss Tee

AS21905

AS21905
(NSN) National Stock Number
4730-00-278-2434
Federal Supply Classification
4730 Hose, Pipe, Tube, Lubrication and Railing Fittings
Item Name Code
22683
Schedule B Code
7609000000
Summary

3a all ends thread class, flareless (tube) 2nd end connection style, flareless (tube) 1st end connection style, 1.031 inches minimum and 1.078 inches maximum all ends leg length, threaded external boss 3rd end connection type, threaded external tube 1st end connection type

DAC HCC DMIL RNCC
6 - - 5
RNVC SADC MSDS RNAAC
9 - - ZZ
Identification

A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. The tube connection(s) has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube, or is unthreaded and designed to accommodate a tube. The boss connection(s) has external or internal machine threads (straight threads other than pipe or hose series), and is designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side inlet(s). It is used as a junction at the intersection of a tube or fitting and a boss or boss fitting on items such as a tank, housing, valve fitting, or the like. See also tee, tube; and tee, pipe to tube. Excludes:connector, multiple, fluid pressure line.

INC FIIG Concept Condition
22683 A080B0 - 1
Specifications
Thread Class
3a all ends
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
Connection Style
flareless (tube) 2nd end
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
Connection Style
flareless (tube) 1st end
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
Leg Length
1.031 inches minimum and 1.078 inches maximum all ends
Details A measurement of the longest dimension of the leg,in distinction from width.
Connection Type
threaded external boss 3rd end
Details Indicates the type of connection/s/.
Connection Type
threaded external tube 1st end
Details Indicates the type of connection/s/.
Connection Type
threaded external tube 2nd end
Details Indicates the type of connection/s/.
Nominal Thread Size
0.562 inches all ends
Details A designation that is used for the purpose of general identification of the thread.
Seat Angle
12.0 degrees 1st end
Details The angle of the end surface upon which the mated surface seats.
Seat Angle
12.0 degrees 2nd end
Details The angle of the end surface upon which the mated surface seats.
Nominal Outside Diameter Tube Accommodated
0.375 inches 2nd end
Details The nominal length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.
Nominal Outside Diameter Tube Accommodated
0.375 inches 1st end
Details The nominal length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.
Material
aluminum alloy 2014 overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
qq-a-367,t6 fed spec single material response overall
Details The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.
Surface Treatment
anodize overall
Details The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
Thread Series Designator
unjf all ends
Details A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
Specification/Standard Data
96906-ms21905 government standard
Details The document designator of the specification or standard which established the item of supply.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
MS21905D6 R1120 6 - 5 9 - ZG
MS21905D6 52930 3 - 5 2 - 9Z
MS21905D6 14397 3 - 5 9 - AX
MS21905D6 03647 3 - 5 9 - AX
MS21905D6 00624 3 - 5 9 - AX
MS21905D6 45681 3 - 5 9 - AX
ER824D6 79470 3 - 5 9 - AX
MS21905D6 79470 3 - 5 9 - AX
AS18280 81343 E - 5 9 - ZZ
MS21905D6 81343 6 - 3 9 - ZZ
MS21905D6 50948 3 - 5 9 - AX
MS21905D6 96906 3 - 5 9 - AX
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
00000 - W -
RVC WCC TCC SHC
- 576 Z 9

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Manufacturer
SOCIETY OF AUTOMOTIVE ENGINEERS INC
CAGE: 81343
WARRENDALE , PA , 15086-7511
UNITED STATES
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FAQs
Frequently asked questions for NSN 4730-00-278-2434
What is the NIIN of the NSN 4730-00-278-2434?
The National Item Identification Number (NIIN) of the NSN 4730-00-278-2434 is 00-278-2434
When the NSN 4730-00-278-2434 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Sun, Jan 1, 1961
Does the NSN 4730-00-278-2434 contain any precious metals?
Does not contain precious metal
Does the NSN 4730-00-278-2434 contain any hazardous material?
No data in HMIRS

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