# NSN 4730-00-343-7904: Flange, Pipe

NSN 4730-00-343-7904 (also written 4730003437904; NIIN 00-343-7904) is a flange, pipe in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 4 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 4730-00-343-7904 (4730003437904)
- NIIN: 00-343-7904 (003437904)
- Item name: FLANGE,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 C: needs engineering source approval; other sources must qualify first. (observed 2026-11-02)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABKK | FLANGE DIAMETER | INCHES NOMINAL 2.544 |
| AKWE | FACE SEATING SURFACE CONDITION | GROUND |
| ACSU | NOMINAL PIPE SIZE FOR WHICH DESIGNED | INCHES 1.542 |
| AJEF | BEVEL DEPTH | INCHES NOMINAL 0.100 |
| CQXL | FACE BEVEL ANGLE | RADIANS NOMINAL 20.0 |
| MATT | MATERIAL | STEEL |
| STYL | STYLE DESIGNATOR | — |
| ABNM | THICKNESS | INCHES NOMINAL 0.075 |
| AJEM | FLANGE SECTION STYLE | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4036095 | 11449 | TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4036095 | 52661 | RTX CORPORATION DIV PRATT & WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4036095 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4730PL0744926 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-20 | [SPE4AX25D9424/SPE4AX26F394P](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730003437904) | FLANGE, PIPE | RTX CORPORATION DIV PRATT & WHITNEY | $5,367.58 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730003437904&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730003437904
- 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/4730-00-343-7904/
JSON: https://nsnexplorer.com/api/nsn/4730-00-343-7904.json