# NSN 4730-01-433-2642: Expansion Joint, Pipe

NSN 4730-01-433-2642 (also written 4730014332642; NIIN 01-433-2642) is an expansion joint, pipe in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 2 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 4730-01-433-2642 (4730014332642)
- NIIN: 01-433-2642 (014332642)
- Item name: EXPANSION JOINT,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 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAGN | NOMINAL PIPE SIZE DESIGNATION | INCHES 12.000 |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 13.375 |
| ABKG | BOLT CIRCLE DIAMETER | INCHES NOMINAL 16.062 |
| AECS | BOLT HOLE QUANTITY | 18 |
| AGAV | END ITEM IDENTIFICATION | NIMITZ CLASS CVN. |
| AHNX | BOLT HOLE DIAMETER | INCHES NOMINAL 0.812 |
| APGF | DESIGN TYPE | SPOOL |
| AQNE | JOINT TYPE | DOUBLE |
| AWZY | END CONNECTION TYPE | FLANGED |
| CFQK | WORKING PRESSURE RATING | POUNDS PER SQUARE INCH (PSI) NOMINAL 135.0 |
| CHLT | TRAVERSE MAXIMUM LENGTH | INCHES 13.188 |
| MATT | MATERIAL | FLANGE NICKEL ALLOY |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 186207 | 70510 | HYSPAN PRECISION PRODUCTS, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 86207 | 70510 | HYSPAN PRECISION PRODUCTS, INC. | [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=4730014332642&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730014332642
- 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/4730-01-433-2642/
JSON: https://nsnexplorer.com/api/nsn/4730-01-433-2642.json