# NSN 4710-01-189-1838: Tube Assembly, Metal

NSN 4710-01-189-1838 (also written 4710011891838; NIIN 01-189-1838) is a tube assembly, metal in Federal Supply Class 4710, Pipe, Tube and Rigid Tubing. 5 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4710-01-189-1838 (4710011891838)
- NIIN: 01-189-1838 (011891838)
- Item name: TUBE ASSEMBLY,METAL
- Federal Supply Class: [FSC 4710 Pipe, Tube and Rigid Tubing](https://nsnexplorer.com/fsc/4710/)
- Federal Supply Group: [FSG 47](https://nsnexplorer.com/group/47/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAGT | WALL THICKNESS | INCHES NOMINAL 0.028 |
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | SINGLE END RIGHT-HAND |
| AFQW | MATING END QUANTITY | 2 |
| AJFX | END CONNECTION STYLE | — |
| AJFY | SEAT ANGLE IN DEG | 33.0 |
| ARJD | DESIGN FORM | PREBENT |
| BBYQ | TUBE OUTSIDE DIAMETER | INCHES NOMINAL 0.125 |
| BZRS | END CONNECTION SPEC/STD | MIL,MS21921,PART NO. MS21921-2J,AND MIL,MS21922,PART NO. MS21922-2J |
| CQJX | NOMINAL THREAD SIZE | SINGLE END INCHES 0.312 |
| MATT | MATERIAL | TUBING STEEL COMP 304 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | TUBING MIL SPEC SINGLE MATERIAL RESPONSE -IL-T-6845, TYE 304, COND 1 TO 8H |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| THSD | THREAD SERIES DESIGNATOR | SINGLE END UNIFIED NATIONAL JOINT FINE (UNJF) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 162346-100 | 66195 | SOLAR TURBINES INCORPORATED DBA SOLAR TURBINES INCORPORATED | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 162356 | 55820 | RTX CORPORATION DIV PRATT & WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 162356-100 | 0TFM2 | EDCO ENGINEERING INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 162356-100 | 55820 | RTX CORPORATION DIV PRATT & WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 162356-100 | 66195 | SOLAR TURBINES INCORPORATED DBA SOLAR TURBINES INCORPORATED | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4710011891838&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4710011891838
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/4710-01-189-1838/
JSON: https://nsnexplorer.com/api/nsn/4710-01-189-1838.json
