Tube to Boss Straight Adapter

H859-T-20-16-SS
(NSN) National Stock Number
4730-01-474-8877
Federal Supply Classification
4730 Hose, Pipe, Tube, Lubrication and Railing Fittings
Item Name Code
22675
Schedule B Code
7307290000
Summary

2a 1st end thread class, 2a 2nd end thread class, fire finder radar end item identification, external seat for gasket seal (boss) 2nd end connection style, gasket seal (boss) 1st end connection style, threaded external tube 2nd end connection type

DAC HCC DMIL RNCC
E - - 3
RNVC SADC MSDS RNAAC
2 - - ZZ
Identification

An adapter having machine threads (straight threads other than pipe or hose series) designed to accommodate a tube on one end or an unthreaded end designed to accommodate a tube. The other end 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 is designed to join a tube or tube fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. See also coupling, tube and nipple, tube.

INC FIIG Concept Condition
22675 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.
Thread Class
2a 2nd end
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
End Item Identification
fire finder radar
Details The national stock number or the identification information of the end equipment for which the item is a part.
Connection Style
external seat for gasket seal (boss) 2nd end
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
Connection Style
gasket seal (boss) 1st end
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
Connection Type
threaded external tube 2nd end
Details Indicates the type of connection/s/.
Connection Type
threaded internal tube 1st end
Details Indicates the type of connection/s/.
Thread Quantity Per Inch
12 1st end
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Thread Quantity Per Inch
12 2nd end
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Nominal Thread Size
1.312 inches 2nd end
Details A designation that is used for the purpose of general identification of the thread.
Nominal Thread Size
1.750 inches 1st end
Details A designation that is used for the purpose of general identification of the thread.
Nominal Outside Diameter Tube Accommodated
1.250 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 Outside Diameter Tube Accommodated
1.250 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 Overall Length
2.687 inches
Details The nominal dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
Special Features
male connector flat face o-ring to male straight thread
Details Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.
Material
steel corrosion resisting overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Thread Series Designator
un 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
un 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.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
H859-T-20-16-SS 51214 E - 5 2 - ZZ
A3141397-13 80063 A - 7 2 - ZZ
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A A -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
29090 - W -
RVC WCC TCC SHC
- 576 Z 9
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FAQs
Frequently asked questions for NSN 4730-01-474-8877
What is the NIIN of the NSN 4730-01-474-8877?
The National Item Identification Number (NIIN) of the NSN 4730-01-474-8877 is 01-474-8877
When the NSN 4730-01-474-8877 was assigned to the Federal Catalog?
It was assigned 24 years ago, on Tue, May 16, 2000
Does the NSN 4730-01-474-8877 contain any precious metals?
Does not contain precious metal
Does the NSN 4730-01-474-8877 contain any hazardous material?
No data in HMIRS
What is the ESD classification of NSN 4730-01-474-8877?
No known electrostatic discharge

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