# NSN 4820-01-045-4798: Valve, Safety Relief

NSN 4820-01-045-4798 (also written 4820010454798; NIIN 01-045-4798) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4820-01-045-4798 (4820010454798)
- NIIN: 01-045-4798 (010454798)
- 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 G: the government has a complete data package and the rights to use it. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJF | THREAD DIRECTION | FIRST END RIGHT-HAND |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSR | BONNET TYPE | INSIDE SPRING |
| ADST | BONNET ATTACHMENT METHOD | INTEGRAL |
| ADSU | DISK LOADING METHOD | SPRING |
| ADSY | VALVE DISCHARGE FLOW RATE | LITERS PER MINUTE 10.0 |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE CELSIUS 121.0 |
| AHNC | CONNECTION STYLE | — |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | FIRST END THREADED EXTERNAL PIPE |
| CQJX | NOMINAL THREAD SIZE | FIRST END INCHES 0.125 |
| CSDC | OPENING PRESSURE SETTING | POUNDS PER SQUARE INCH 1.5 |
| FEAT | SPECIAL FEATURES | HEX. 0.500 IN. ACROSS FLATS |
| MATT | MATERIAL | BODY STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BODY FED SPEC ALL MATERIAL RESPONSES QQ-S-763 |
| MEDA | MEDIA FOR WHICH DESIGNED | SINGLE RESPONSE GAS, NATURAL |
| SFTT | SURFACE TREATMENT | LOCATION NOT OTHERWISE SPECIFIED PASSIVATE |
| STYL | STYLE DESIGNATOR | — |
| THSD | THREAD SERIES DESIGNATOR | FIRST END NPT |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 588.10-100000-003 | D0078 | DIEHL DEFENCE GMBH & CO. KG | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 639AS595 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 806R1A02 | 08996 | SAF INDUSTRIES LLC DBA GENERAL PNEUMATICS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 806RLA02-3 | 08996 | SAF INDUSTRIES LLC DBA GENERAL PNEUMATICS | [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=4820010454798&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820010454798
- 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/4820-01-045-4798/
JSON: https://nsnexplorer.com/api/nsn/4820-01-045-4798.json