# NSN 4730-01-306-0268: Flange, Pipe

NSN 4730-01-306-0268 (also written 4730013060268; NIIN 01-306-0268) is a flange, pipe in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 3 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4730-01-306-0268 (4730013060268)
- NIIN: 01-306-0268 (013060268)
- 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 L: annual buy value is below the screening threshold. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABGA | GROOVE DEPTH | INCHES MINIMUM 0.111 AND INCHES MAXIMUM 0.113 |
| ABGF | GROOVE WIDTH | INCHES MINIMUM 0.188 AND INCHES MAXIMUM 0.193 |
| ABKG | BOLT CIRCLE DIAMETER | INCHES NOMINAL 5.938 |
| ABKK | FLANGE DIAMETER | INCHES NOMINAL 7.500 |
| ABMD | RECESS DIAMETER | INCHES MINIMUM 3.140 AND INCHES MAXIMUM 3.160 |
| ABNM | THICKNESS | INCHES MINIMUM 0.940 AND INCHES MAXIMUM 0.970 |
| ACSU | NOMINAL PIPE SIZE FOR WHICH DESIGNED | INCHES 3.000 |
| AECS | BOLT HOLE QUANTITY | 8 |
| AHNX | BOLT HOLE DIAMETER | INCHES NOMINAL 0.688 |
| AJED | RAISED FACE HEIGHT | INCHES MINIMUM 0.015 AND INCHES MAXIMUM 0.031 |
| AJEE | RAISED FACE DIAMETER | INCHES NOMINAL 4.500 |
| AJEM | FLANGE SECTION STYLE | — |
| AKWE | FACE SEATING SURFACE CONDITION | GROUND |
| MATT | MATERIAL | COPPER ALLOY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL SPEC SINGLE MATERIAL RESPONSE -IL-C-15726,70-30 |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2621-228-01 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2621-228-01 PIECE 193G | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 704-4685281 F3 | 80064 | NAVAL SHIP SYSTEMS COMMAND | [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=4730013060268&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730013060268
- 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/4730-01-306-0268/
JSON: https://nsnexplorer.com/api/nsn/4730-01-306-0268.json