Tube Elbow

AN922-2D

AN922-2D
(NSN) National Stock Number
4730-00-197-2914
Federal Supply Classification
4730 Hose, Pipe, Tube, Lubrication and Railing Fittings
Item Name Code
03771
Schedule B Code
7609000000
Summary

3a 1st end bulkhead thread class, 3a all ends thread class, aircraft application end item identification, flared (tube) all ends connection style, 1.375 inches nominal 1st end leg length, 0.640 inches nominal 2nd end leg length

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

A fitting that forms an angle of less than 180 degrees (3.141 radians) from a straight flow. Both connecting ends have machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. It may have side or heel inlet(s). See also elbow, pipe and connector, multiple, fluid pressure line.

INC FIIG Concept Condition
03771 A080B0 - 1
Specifications
Thread Class
3a 1st end bulkhead
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
Thread Class
3a all ends
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
End Item Identification
aircraft application
Details The national stock number or the identification information of the end equipment for which the item is a part.
Connection Style
flared (tube) all ends
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
Leg Length
1.375 inches nominal 1st end
Details A measurement of the longest dimension of the leg,in distinction from width.
Leg Length
0.640 inches nominal 2nd end
Details A measurement of the longest dimension of the leg,in distinction from width.
Connection Type
threaded external tube all ends
Details Indicates the type of connection/s/.
Nominal Thread Size
0.312 inches 1st end bulkhead
Details A designation that is used for the purpose of general identification of the thread.
Nominal Thread Size
0.312 inches all ends
Details A designation that is used for the purpose of general identification of the thread.
Seat Angle
37.0 degrees all ends
Details The angle of the end surface upon which the mated surface seats.
Flow Angle
45.0 degrees
Details The angle that the flow is turned from the straight flow.
Nominal Outside Diameter Tube Accommodated
0.125 inches all ends
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 overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
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.
Thread Series Designator
unjf 1st end bulkhead
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
88044-an837 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
AN837-2D 22995 3 - 5 9 - AX
AN837-2D 13899 3 - 5 1 - AX
AN837-2D 30974 3 - 5 1 - AX
AN837-2D 14798 E - 5 9 - AX
AN837-2D 14397 3 - 5 9 - AX
AN837-2D 06581 3 - 5 1 - AX
AN837-2D 71563 3 - 5 9 - AX
AN837-2D 00624 3 - 5 1 - AX
MIL-F-5509 81349 E - 4 1 - AX
AN837-2D 88044 3 - 2 2 - 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
30000 - W -
RVC WCC TCC SHC
- 576 Z 9

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Manufacturer
AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
CAGE: 88044
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FAQs
Frequently asked questions for NSN 4730-00-197-2914
What is the NIIN of the NSN 4730-00-197-2914?
The National Item Identification Number (NIIN) of the NSN 4730-00-197-2914 is 00-197-2914
When the NSN 4730-00-197-2914 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Sun, Jan 1, 1961
Does the NSN 4730-00-197-2914 contain any precious metals?
Does not contain precious metal
Does the NSN 4730-00-197-2914 contain any hazardous material?
No data in HMIRS

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