# NSN 4710-00-177-0421: Tube Assembly, Metal

NSN 4710-00-177-0421 (also written 4710001770421; NIIN 00-177-0421) is a tube assembly, metal in Federal Supply Class 4710, Pipe, Tube and Rigid Tubing. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4710-00-177-0421 (4710001770421)
- NIIN: 00-177-0421 (001770421)
- 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 L: annual buy value is below the screening threshold. (observed 2026-10-10)
- Acquisition method code: 2

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ARJD | DESIGN FORM | PREBENT |
| CQJX | NOMINAL THREAD SIZE | SINGLE END INCHES 0.438 |
| MATT | MATERIAL | TUBING STEEL |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| BBYQ | TUBE OUTSIDE DIAMETER | INCHES NOMINAL 0.250 |
| AFQW | MATING END QUANTITY | 2 |
| AJFX | END CONNECTION STYLE | — |
| AAJF | THREAD DIRECTION | SINGLE END RIGHT-HAND |
| AAGT | WALL THICKNESS | INCHES NOMINAL 0.028 |
| AAJD | THREAD CLASS | 3B |
| THSD | THREAD SERIES DESIGNATOR | SINGLE END UNIFIED NATIONAL JOINT FINE (UNJF) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 3018474 | 00198 | PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3018474 | 21890 | SMITHS TUBULAR SYSTEMS-LACONIA, INC. DIV LEWIS & SAUNDERS | [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=4710001770421&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4710001770421
- 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/4710-00-177-0421/
JSON: https://nsnexplorer.com/api/nsn/4710-00-177-0421.json