# NSN 4820-01-383-5453: Valve, Calibrated Flow

NSN 4820-01-383-5453 (also written 4820013835453; NIIN 01-383-5453) is a valve, calibrated flow in Federal Supply Class 4820, Valves, Nonpowered. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4820-01-383-5453 (4820013835453)
- NIIN: 01-383-5453 (013835453)
- Item name: VALVE,CALIBRATED FLOW
- Federal Supply Class: [FSC 4820 Valves, Nonpowered](https://nsnexplorer.com/fsc/4820/)
- Federal Supply Group: [FSG 48](https://nsnexplorer.com/group/48/)
- 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 |
| --- | --- | --- |
| AAQL | BODY STYLE | — |
| ACKM | FIRST END CONNECTION TYPE | UNTHREADED INTERNAL PIPE |
| ACKN | FIRST END STYLE DESIGNATOR | — |
| ACLG | FIRST END NOMINAL PIPE SIZE ACCOMMODATED | INCHES 0.500 |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADQZ | END CONNECTION QUANTITY | 2 |
| AEVN | REGULATION TYPE | 1ST STAGE MANUAL, 2ND STAGE AUTOMATIC |
| AEVZ | MAXIMUM INLET PRESSURE RATING | POUNDS PER SQUARE INCH (PSI) 175.0 |
| AZKQ | TEMP RATING | FAHRENHEIT MINIMUM -40.0 AND FAHRENHEIT MAXIMUM 165.0 |
| MATT | MATERIAL | PACKING RUBBER |
| MATT | MATERIAL | BODY NICKEL ALLOY |
| MEDA | MEDIA FOR WHICH DESIGNED | NITROGEN, GASEOUS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2870-0001-47 | 04577 | MISSION SYSTEMS ORCHARD PARK INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2870-0001-47 | 1W506 | CARLETON TECHNOLOGIES INC DIV TAMPA FACILITY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-17 | [SPE7MC26P3458](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820013835453) | VALVE, CALIBRATED FL | ECI DEFENSE GROUP, INC. DIV ECI-GA | $818,365.80 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820013835453&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820013835453
- 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/4820-01-383-5453/
JSON: https://nsnexplorer.com/api/nsn/4820-01-383-5453.json