# NSN 4730-01-189-5973: Reducer, Tube

NSN 4730-01-189-5973 (also written 4730011895973; NIIN 01-189-5973) is a reducer, tube in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4730-01-189-5973 (4730011895973)
- NIIN: 01-189-5973 (011895973)
- Item name: REDUCER,TUBE
- Federal Supply Class: [FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings](https://nsnexplorer.com/fsc/4730/)
- Federal Supply Group: [FSG 47](https://nsnexplorer.com/group/47/)
- Acquisition method suffix code: AMSC P: the government does not own the rights to the data needed for more sources. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ACSP | REDUCER TYPE | CONCENTRIC |
| CQJX | NOMINAL THREAD SIZE | SECOND END INCHES 0.438 |
| CQJX | NOMINAL THREAD SIZE | FIRST END INCHES 0.875 |
| MATT | MATERIAL | OVERALL ALUMINUM ALLOY 6061 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-A-225 TO 8 OR FED SPEC SINGLE MATERIAL RESPONSE QQ-A-200 TO 8 OR FED SPEC SINGLE MATERIAL RESPONSE QQ-A-250 TO 11,T6 |
| SFTT | SURFACE TREATMENT | OVERALL ANODIZE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE TREATMENT RESPONSE -IL-A-8625,TYE 2,CLASS 2 |
| THSD | THREAD SERIES DESIGNATOR | FIRST END UNIFIED NATIONAL JOINT FINE (UNJF) |
| THSD | THREAD SERIES DESIGNATOR | SECOND END UNIFIED NATIONAL JOINT FINE (UNJF) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 3171497-2 | 59364 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3171497-2 | 99193 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-07 | $297.00 | 6 | AVIARMS SUPPORT CORP | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730011895973) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-07 | [SPE4A127P0101](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730011895973) | REDUCER, TUBE | AVIARMS SUPPORT CORP | $1,782.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730011895973&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730011895973
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- 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/4730-01-189-5973/
JSON: https://nsnexplorer.com/api/nsn/4730-01-189-5973.json