# NSN 4820-01-085-4325: Valve, Relief, Pressure And Temper

NSN 4820-01-085-4325 (also written 4820010854325; NIIN 01-085-4325) is a valve, relief, pressure and temper in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 4 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4820-01-085-4325 (4820010854325)
- NIIN: 01-085-4325 (010854325)
- Item name: VALVE,RELIEF,PRESSURE AND TEMPER
- 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 2026-10-23)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABJH | TEMP RATING | CELSIUS -54.0 AND CELSIUS 95.0 |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADQZ | END CONNECTION QUANTITY | 2 |
| AEVX | TEMP ADJUSTABILITY | NOT ADJUSTABLE |
| FEAT | SPECIAL FEATURES | 80 MESH PROTECTIVE SCREEN,STEEL QQ-S-763 TYPES 302,304,316,OR 321 |
| MATT | MATERIAL | BODY ALUMINUM ALLOY 2024 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BODY FED SPEC SINGLE MATERIAL RESPONSE QQ-A-225 TO 6, ALLOY 2024, T351 |
| SFTT | SURFACE TREATMENT | OUTSIDE ANODIZE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OUTSIDE MIL SPEC SINGLE TREATMENT RESPONSE -IL-A-8625 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2956-001-3 | 04577 | MISSION SYSTEMS ORCHARD PARK INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4820PL1627046 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 583R625H01 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7323-1-000 | 1DRT7 | CIRCOR AEROSPACE 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=4820010854325&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820010854325
- 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/4820-01-085-4325/
JSON: https://nsnexplorer.com/api/nsn/4820-01-085-4325.json