# NSN 4730-01-491-5491: Plate, Orifice, Fluid

NSN 4730-01-491-5491 (also written 4730014915491; NIIN 01-491-5491) is a plate, orifice, fluid in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 3 manufacturer part numbers from 1 supplier are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4730-01-491-5491 (4730014915491)
- NIIN: 01-491-5491 (014915491)
- Item name: PLATE,ORIFICE,FLUID
- 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 G: the government has a complete data package and the rights to use it. (observed 2026-10-27)
- Acquisition method code: 2

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABHE | OUTSIDE DIAMETER | INCHES NOMINAL 7.560 |
| CRZG | NOMINAL OVERALL THICKNESS | INCHES 0.500 |
| FEAT | SPECIAL FEATURES | 2 ORIFICE HOLES 0.69 INCH DIAMETER AND 0.250 INCH DIAMETER PATTERNED AND EQUALLY SPACED IN THE CENTER OF PLATE; MAXIMUM WP 700 PSI AT 140 DEGREES F |
| MATT | MATERIAL | COPPER ALLOY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FED SPEC SINGLE MATERIAL RESPONSE QQ-N-281, CLASS A OR B |
| SHPE | SHAPE | ROUND |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2633-561-01 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 801-6640811 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 801-6640811PC203 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M3-27-T-0964 | 7 | 2026-11-16 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730014915491&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730014915491&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730014915491
- 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/4730-01-491-5491/
JSON: https://nsnexplorer.com/api/nsn/4730-01-491-5491.json
