# NSN 4820-00-795-4041: Valve, Safety Relief

NSN 4820-00-795-4041 (also written 4820007954041; NIIN 00-795-4041) is a valve, safety relief 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: 4820-00-795-4041 (4820007954041)
- NIIN: 00-795-4041 (007954041)
- Item name: VALVE,SAFETY RELIEF
- 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: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADSY | VALVE DISCHARGE FLOW RATE | POUNDS PER HOUR 36.0 |
| MATT | MATERIAL | BODY ALUMINUM ALLOY |
| ADST | BONNET ATTACHMENT METHOD | BOLTED |
| CBBL | FEATURES PROVIDED | VALVE STEM LOCK SHIELD |
| ADQU | FLOW CONTROL DEVICE | DISK |
| MATT | MATERIAL | BODY LINING ALUMINUM ALLOY |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | LOCATION NOT OTHERWISE SPECIFIED MIL SPEC SINGLE TREATMENT RESPONSE -IL-A-8625,TY 1 |
| ADSU | DISK LOADING METHOD | SPRING |
| AQLR | VALVE OPERATION METHOD | HYDRAULIC |
| SFTT | SURFACE TREATMENT | LOCATION NOT OTHERWISE SPECIFIED ANODIZE |
| ADSR | BONNET TYPE | INSIDE SPRING |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2-52906-501 | 0JRC1 | NORTHROP GRUMMAN TECHNICAL SERVICES, INC. DBA DEFENSE SYSTEMS SECTOR | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2-52906-501 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2-52906-501 | 79U29 | NORTHROP GRUMMAN SYSTEMS CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 32P108-1 | 82829 | ALLEN AIRCRAFT PRODUCTS 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=4820007954041&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820007954041
- 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/4820-00-795-4041/
JSON: https://nsnexplorer.com/api/nsn/4820-00-795-4041.json