# NSN 4730-01-051-8741: Reducer, Pipe

NSN 4730-01-051-8741 (also written 4730010518741; NIIN 01-051-8741) is a reducer, pipe in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4730-01-051-8741 (4730010518741)
- NIIN: 01-051-8741 (010518741)
- Item name: REDUCER,PIPE
- 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 L: annual buy value is below the screening threshold. (observed 2026-10-23)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ACSP | REDUCER TYPE | CONCENTRIC |
| AHNC | CONNECTION STYLE | — |
| AWLS | CONNECTION TYPE | FIRST END THREADED INTERNAL PIPE |
| AWLS | CONNECTION TYPE | SECOND END THREADED EXTERNAL PIPE |
| CQJX | NOMINAL THREAD SIZE | SECOND END INCHES 0.375 |
| CQJX | NOMINAL THREAD SIZE | FIRST END INCHES 0.250 |
| CQRB | SEAT ANGLE | FIRST END DEGREES 30.0 |
| CWFR | NOMINAL OVERALL LENGTH | INCHES 1.290 |
| MATT | MATERIAL | OVERALL STEEL |
| THSD | THREAD SERIES DESIGNATOR | FIRST END NPSM |
| THSD | THREAD SERIES DESIGNATOR | SECOND END NPTF |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2D0193 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2D193 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-21 | [SPE7LX21D0087/SPE7LX27FA55M](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730010518741) | REDUCER, PIPE | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $5.77 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730010518741&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730010518741
- 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/4730-01-051-8741/
JSON: https://nsnexplorer.com/api/nsn/4730-01-051-8741.json