# NSN 4820-01-467-5505: Valve, Safety Relief

NSN 4820-01-467-5505 (also written 4820014675505; NIIN 01-467-5505) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4820-01-467-5505 (4820014675505)
- NIIN: 01-467-5505 (014675505)
- 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 2026-10-23)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | ALL ENDS RIGHT-HAND |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSY | VALVE DISCHARGE FLOW RATE | LITERS PER MINUTE 50.0 |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE CELSIUS 90.0 |
| AHNC | CONNECTION STYLE | — |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | ALL ENDS THREADED EXTERNAL PIPE |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQJX | NOMINAL THREAD SIZE | ALL ENDS INCHES 0.190 |
| FEAT | SPECIAL FEATURES | OVERALL LENGTH 0.960 IN.; OVERALL DIAMETER 0.327 IN.; HEAT TREAT 15-5PH, IAW AMS MIL-H-6875, CLASS D, CONDITION H1025 |
| MATT | MATERIAL | FLOW CONTROL DEVICE STEEL COMP XM-12 |
| MATT | MATERIAL | BODY STEEL COMP XM-12 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FLOW CONTROL DEVICE ASSN STD SINGLE MATERIAL RESPONSE A-S 5659 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BODY ASSN STD SINGLE MATERIAL RESPONSE A-S 5659 |
| SFTT | SURFACE TREATMENT | LOCATION NOT OTHERWISE SPECIFIED PASSIVATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | LOCATION NOT OTHERWISE SPECIFIED ASSN STD SINGLE TREATMENT RESPONSE AST- A967 |
| STYL | STYLE DESIGNATOR | — |
| THSD | THREAD SERIES DESIGNATOR | ALL ENDS UNF |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 468RAS03 | 08996 | SAF INDUSTRIES LLC DBA GENERAL PNEUMATICS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 639AS10600 | 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/) |
| 639AS9310 | 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/) |
| PSRX0501900B | 92555 | THE LEE CO DBA THE LEE CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-15 | [SPE7M126PA342](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014675505) | VALVE, SAFETY RELIEF | — | $176,000.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820014675505&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014675505
- 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/4820-01-467-5505/
JSON: https://nsnexplorer.com/api/nsn/4820-01-467-5505.json