# NSN 4730-01-483-1633: Tailpiece, Union

NSN 4730-01-483-1633 (also written 4730014831633; NIIN 01-483-1633) is a tailpiece, union in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 3 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 4730-01-483-1633 (4730014831633)
- NIIN: 01-483-1633 (014831633)
- Item name: TAILPIECE,UNION
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | MANIFOLD ASSEMBLY; LOS ANGELES CLASS SSN (688) |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | PORT ADAPTER(INLET) |
| FEAT | SPECIAL FEATURES | MATERIAL: 17-4 PH S/S PER AMS-5643 COND. H-1025; NHA PRESSURE REDUCING MANIFOLD ASSEMBLY (TOP ASSEMBLY) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| S1E10203 | 99517 | VACCO INDUSTRIES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| S1E10203 ITEM 3 | 99517 | VACCO INDUSTRIES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| S2C10112-4MF | 99517 | VACCO INDUSTRIES | [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=4730014831633&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730014831633
- 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/4730-01-483-1633/
JSON: https://nsnexplorer.com/api/nsn/4730-01-483-1633.json