Pipe to Tube Straight Adapter

55931R11

55931R11
(NSN) National Stock Number
4730-00-126-3510
Federal Supply Classification
4730 Hose, Pipe, Tube, Lubrication and Railing Fittings
Item Name Code
03776
Schedule B Code
7412200000
Summary

2a 1st end thread class, compression (tube) 1st end connection style, plain (pipe) 2nd end connection style, threaded external pipe 2nd end connection type, threaded external tube 1st end connection type, 24 1st end thread quantity per inch

DAC HCC DMIL RNCC
6 - - 3
RNVC SADC MSDS RNAAC
2 - - AX
Identification

An adapter having standard pipe threads on one end or an unthreaded end designed to accommodate a pipe. The other end 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. It is designed to join a pipe or pipe fitting to a tube or tube fitting in a straight line.

INC FIIG Concept Condition
03776 A080B0 1 1
Specifications
Thread Class
2a 1st end
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
Connection Style
compression (tube) 1st end
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
Connection Style
plain (pipe) 2nd end
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
Connection Type
threaded external pipe 2nd end
Details Indicates the type of connection/s/.
Connection Type
threaded external tube 1st end
Details Indicates the type of connection/s/.
Thread Quantity Per Inch
24 1st end
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Nominal Thread Size
0.500 inches 2nd end
Details A designation that is used for the purpose of general identification of the thread.
Nominal Thread Size
0.531 inches 1st end
Details A designation that is used for the purpose of general identification of the thread.
Seat Nominal Radius
0.062 inches 1st end
Details The nominal radius of the end surface upon which the mated surface seats.
Nominal Outside Diameter Tube Accommodated
0.312 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.
Nominal Overall Length
2.350 inches
Details The nominal dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
Material
copper alloy overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Thread Series Designator
nptf 2nd end
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
uns 1st end
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.
Furnished Items And Quantity
1 tube coupling nut w/sleeve
Details The name and number of those parts furnished with the item of supply that have not been specified elsewhere.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
55931R11 22852 6 - 5 9 - AX
68AB-6-8 93061 6 - 5 2 - AX
VS68AB-6-8 93061 6 - 3 2 - AX
B168-68 80686 E - 3 2 - AX
HO-168-6X8 79146 6 - 3 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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Manufacturer
NAVISTAR INTL CORP TRUCK BR OHIO PLANT
CAGE: 89346
SPRINGFIELD , OH , 45501
UNITED STATES
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FAQs
Frequently asked questions for NSN 4730-00-126-3510
What is the NIIN of the NSN 4730-00-126-3510?
The National Item Identification Number (NIIN) of the NSN 4730-00-126-3510 is 00-126-3510
When the NSN 4730-00-126-3510 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Wed, Nov 20, 1968
Does the NSN 4730-00-126-3510 contain any precious metals?
Type/content is unknown
Does the NSN 4730-00-126-3510 contain any hazardous material?
No data in HMIRS

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