Tube Elbow

MS21908-2
(NSN) National Stock Number
4730-00-056-0895
Federal Supply Classification
4730 Hose, Pipe, Tube, Lubrication and Railing Fittings
Item Name Code
03771
Schedule B Code
7307929000
Summary

3a 1st end bulkhead thread class, 3a all ends thread class, -54.0 deg fahrenheit 1st response maximum operating temp, 135.0 deg fahrenheit 2nd response maximum operating temp, flareless (tube) all ends connection style, 1.312 inches nominal 1st end leg length

DAC HCC DMIL RNCC
3 - - 5
RNVC SADC MSDS RNAAC
1 - - AX
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.
Maximum Operating Temp
-54.0 deg fahrenheit 1st response
Details The maximum temperature at which the item is rated to operate for an extended period of time.
Maximum Operating Temp
135.0 deg fahrenheit 2nd response
Details The maximum temperature at which the item is rated to operate for an extended period of time.
Connection Style
flareless (tube) all ends
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
Leg Length
1.312 inches nominal 1st end
Details A measurement of the longest dimension of the leg,in distinction from width.
Leg Length
0.781 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/.
Maximum Operating Pressure
3000.0 pounds per square inch single response
Details The maximum pressure at which the item is rated for operation.
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
12.0 degrees all ends
Details The angle of the end surface upon which the mated surface seats.
Flow Angle
90.0 degrees
Details The angle that the flow is turned from the straight flow.
Nominal Outside Diameter Tube Accommodated
0.125 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
steel overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
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
96906-ms21908 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
MS21908-2 96906 E - 2 2 - AX
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N U - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
30000 - W -
RVC WCC TCC SHC
- 576 Z 9
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FAQs
Frequently asked questions for NSN 4730-00-056-0895
What is the NIIN of the NSN 4730-00-056-0895?
The National Item Identification Number (NIIN) of the NSN 4730-00-056-0895 is 00-056-0895
When the NSN 4730-00-056-0895 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963
Does the NSN 4730-00-056-0895 contain any precious metals?
Type/content is unknown
Does the NSN 4730-00-056-0895 contain any hazardous material?
No data in HMIRS

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