# NSN 4820-00-664-6655: Valve, Regulating, Fluid Pressure

NSN 4820-00-664-6655 (also written 4820006646655; NIIN 00-664-6655) is a valve, regulating, fluid pressure in Federal Supply Class 4820, Valves, Nonpowered. 14 manufacturer part numbers from 6 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4820-00-664-6655 (4820006646655)
- NIIN: 00-664-6655 (006646655)
- Item name: VALVE,REGULATING,FLUID PRESSURE
- 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 |
| --- | --- | --- |
| ACLT | SECOND END STYLE DESIGNATOR | — |
| ACLL | FIRST END THREAD DIRECTION | OVERALL RIGHT-HAND |
| ABFF | FURNISHED ITEMS | FILTER |
| AEVR | VALVE LOADING METHOD | SPRING |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| AGAV | END ITEM IDENTIFICATION | FORWARD REPAIR SYSTEM (FRS) |
| AZKQ | TEMP RATING | FAHRENHEIT MINIMUM -40.0 AND FAHRENHEIT MAXIMUM 165.0 |
| MATT | MATERIAL | BODY ALUMINUM ALLOY |
| MATT | MATERIAL | FLOW CONTROL DEVICE COPPER ALLOY |
| MEDA | MEDIA FOR WHICH DESIGNED | LOCATION NOT OTHERWISE SPECIFIED ARGON AND HELIUM AND NITROGEN, GASEOUS |
| THDS | THREAD SIZE AND SERIES/TYPE DESIGNATOR | FIRST END UNF 5 TO 8-18 |
| THDS | THREAD SIZE AND SERIES/TYPE DESIGNATOR | SECOND END NGO 0.960-14 |
| AEWA | OUTLET PRESSURE SETTING | POUNDS PER SQUARE INCH (PSI) 50.0 |
| ACLH | FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED | INCHES NOMINAL 0.375 |
| ADQU | FLOW CONTROL DEVICE | NEEDLE |
| ACLK | FIRST END THREAD CLASS | 2B |
| ACLS | SECOND END CONNECTION TYPE | THREADED EXTERNAL GAS CYLINDER |
| AEVN | REGULATION TYPE | 1ST STAGE AUTOMATIC, 2ND STAGE MANUAL |
| ACMS | SECOND END THREAD DIRECTION | RIGHT-HAND |
| ADQZ | END CONNECTION QUANTITY | 2 |
| ACKM | FIRST END CONNECTION TYPE | THREADED INTERNAL TUBE |
| ACKN | FIRST END STYLE DESIGNATOR | — |
| AAQL | BODY STYLE | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 03X90 | 30367 | L-TEC WELDING AND CUTTING SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 04X34 | 36346 | UNION CARBIDE CORP SUB OF DOW CO THE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 04X35 | 30367 | L-TEC WELDING AND CUTTING SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 04X35 | 36346 | UNION CARBIDE CORP SUB OF DOW CO THE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 0781-3772 | 63026 | VICTOR EQUIPMENT CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 639296 | 36346 | UNION CARBIDE CORP SUB OF DOW CO THE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 998846 | 30367 | L-TEC WELDING AND CUTTING SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 998846 | 96073 | ESAB GROUP, INC., THE DBA ESAB WELDING AND CUTTING PRODUCTS DIV ESAB WELDING AND CUTTNG | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| HVTS2537-580 | 63026 | VICTOR EQUIPMENT CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| R502 | 30367 | L-TEC WELDING AND CUTTING SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| R502 | 36346 | UNION CARBIDE CORP SUB OF DOW CO THE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| R503 | 36346 | UNION CARBIDE CORP SUB OF DOW CO THE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| R52 | 03856 | LOS ANGELES RESISTOR CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| WP4-0745-23 | 15657 | WELDING PROCESS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-13 | $1,842.1053 | 190 | 8T6Y7 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820006646655) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-13 | [SPE7M227D60BA](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820006646655) | VALVE, REGULATING, FLUID PRESSURE | — | $350,000.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820006646655&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820006646655
- 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/4820-00-664-6655/
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