# NSN 4820-00-060-7233: Valve, Safety Relief

NSN 4820-00-060-7233 (also written 4820000607233; NIIN 00-060-7233) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 5 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4820-00-060-7233 (4820000607233)
- NIIN: 00-060-7233 (000607233)
- 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 L: annual buy value is below the screening threshold. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CSDC | OPENING PRESSURE SETTING | POUNDS PER SQUARE INCH 25.0 |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE FAHRENHEIT 400.0 |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | FIRST END INCHES 0.750 |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | SECOND END INCHES 0.750 |
| AAJF | THREAD DIRECTION | ALL ENDS RIGHT-HAND |
| CBBL | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| CQCY | ADJUSTABLE PRESSURE RANGE | POUNDS PER SQUARE INCH 1.0 TO 250.0 |
| CQJX | NOMINAL THREAD SIZE | ALL ENDS INCHES 0.750 |
| AHNC | CONNECTION STYLE | — |
| MATT | MATERIAL | OVERALL COPPER ALLOY |
| MEDA | MEDIA FOR WHICH DESIGNED | FIRST RESPONSE STEAM |
| MEDA | MEDIA FOR WHICH DESIGNED | SECOND RESPONSE WATER-OIL-GAS |
| STYL | STYLE DESIGNATOR | — |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSR | BONNET TYPE | INSIDE SPRING |
| AWLS | CONNECTION TYPE | FIRST END THREADED EXTERNAL PIPE |
| ADST | BONNET ATTACHMENT METHOD | THREADED |
| ADSU | DISK LOADING METHOD | SPRING |
| THSD | THREAD SERIES DESIGNATOR | ALL ENDS NPT |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 250.0 |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | SECOND END THREADED INTERNAL PIPE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 3-4IN 25PSI | 97578 | TIMKEN GEARS & SERVICES INC. DBA PHILADELPHIA GEAR DIV TIMKEN POWER SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 658 | 37239 | LUNKENHEIMER CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 658 SX 3/4 X 3/4 IN | 37239 | LUNKENHEIMER CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 69-3/4-25 | 93641 | AQUATROL INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| FIG658 3/AIN 25 | 37239 | LUNKENHEIMER CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-05 | $189.11 | 1 | LARKOS PACKING AND DISTRIBUTION INC. | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820000607233) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-05 | [SPE7M127V0143](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820000607233) | VALVE, SAFETY RELIEF | LARKOS PACKING AND DISTRIBUTION INC. | $189.11 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820000607233&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820000607233
- 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/4820-00-060-7233/
JSON: https://nsnexplorer.com/api/nsn/4820-00-060-7233.json