Compressed Gas Cylinder Adapter
A4175-2
(NSN) National Stock Number
8120-00-201-4890
Federal Supply Classification
8120 Commercial and Industrial Gas Cylinders
Item Name Code
21309
Schedule B Code
8481909090
Summary
2.000 inches nominal overall length, threaded internal gas cylinder first end connection type, plain first end style designator, right-hand first end thread direction, 0.187 inches nominal first end reduced passage inside diameter, threaded external gas cylinder second end connection type
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 1 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | KE |
Identification
An adapter designed to connect a compressed gas cylinder valve outlet to a regulator, charging connection, or other mating part having a different connection for the same gas.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 21309 | T162-A | 1 | 2 |
Specifications
Overall Length
2.000 inches nominal
Details
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.First End Connection Type
threaded internal gas cylinder
Details
A narrative description of the type of end connection.First End Style Designator
plain
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the end.First End Thread Direction
right-hand
Details
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.First End Reduced Passage Inside Diameter
0.187 inches nominal
Details
The length of a straight line which passes through the center of the first end reduced passage,and terminates at the inside circumference.Second End Connection Type
threaded external gas cylinder
Details
A narrative description of the type of end connection.Second End Style Designator
flareless
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the end.Second End Thread Direction
right-hand
Details
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.Specific Gas For Which Designed
oxygen
Details
The specific gas with which the item is designed to be used. please use mrc aaxk in place of this discontinued mrc.First End Thread Size
1/4-18
Details
Designates the thread diameter and number of threads per inch of the first end.First End Thread Series/Type Designator
npt
Details
Designates the series/type of the threads of the first end.Second End Thread Size
0.903-14
Details
Designates the thread diameter and number of threads per inch of the second end.Second End Thread Series/Type Designator
ngo
Details
Designates the series/type of the threads of the second end.Union End
not included
Details
An indication of whether or not a union end is included.Wrenching Facility
not included
Details
An indication of whether or not a wrenching facility is included.Material
copper alloy
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Surface Treatment
nickel
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.Fsc Application Data
trailer,oxygen servicing
Details
The justification for the assignment of a federal supply class /fsc/ to an item based on the classification of the next higher classifiable assembly.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 |
|---|---|---|---|
| 49790 | - | W | P |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 713 | Z | 9 |
Provided with every order
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Manufacturer
FAQs
Frequently asked questions for NSN 8120-00-201-4890
What is the NIIN of the NSN 8120-00-201-4890?
The National Item Identification Number (NIIN) of the NSN 8120-00-201-4890 is 00-201-4890
When the NSN 8120-00-201-4890 was assigned to the Federal Catalog?
It was assigned 51 years ago, on Sat, Mar 31, 1973
Does the NSN 8120-00-201-4890 contain any precious metals?
Does not contain precious metal
Does the NSN 8120-00-201-4890 contain any hazardous material?
No data in HMIRS
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