# NSN 4820-01-260-6927: Valve, Safety Relief

NSN 4820-01-260-6927 (also written 4820012606927; NIIN 01-260-6927) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4820-01-260-6927 (4820012606927)
- NIIN: 01-260-6927 (012606927)
- 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: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSR | BONNET TYPE | INSIDE SCREW |
| ADST | BONNET ATTACHMENT METHOD | BOLTED |
| ADSU | DISK LOADING METHOD | SPRING |
| AECS | BOLT HOLE QUANTITY | 8 |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE FAHRENHEIT 250.0 |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| ARKN | FLANGE SHAPE | ALL ENDS ROUND WITH HOLES |
| AWLS | CONNECTION TYPE | ALL ENDS FLANGE |
| CCFG | VALVE SIZE | INCHES 4.000 |
| CQCY | ADJUSTABLE PRESSURE RANGE | POUNDS PER SQUARE INCH 15.0 TO 18.0 |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 150.0 |
| CWCD | NOMINAL OUTSIDE DIAMETER | ALL ENDS INCHES 7.688 |
| CWCK | NOMINAL THICKNESS | ALL ENDS INCHES 0.500 |
| CWCL | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | INCHES 5.812 |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | ALL ENDS INCHES 0.562 |
| CWCR | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | INCHES 5.812 |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | ALL ENDS INCHES 6.562 |
| CWDF | FLANGE FACE DESIGN | ALL ENDS PLAIN |
| MATT | MATERIAL | BODY COPPER ALLOY |
| MATT | MATERIAL | SEAT NICKEL ALLOY |
| MATT | MATERIAL | FLOW CONTROL DEVICE NICKEL ALLOY |
| MATT | MATERIAL | STEM STEEL CORROSION RESISTING |
| MEDA | MEDIA FOR WHICH DESIGNED | SINGLE RESPONSE WATER-OIL-GAS |
| STYL | STYLE DESIGNATOR | — |
| TMQY | FURNISHED ITEMS AND QUANTITY | LEVER 1 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| R10AN2N205-BM3 | 11859 | HUNT VALVE COMPANY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| R10AN2N205-BM3 | 34889 | HUNT VALVE COMPANY INC DBA UNION FLONETICS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-14 | $105,871.10 | 1 | CHAND, L.L.C. | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820012606927) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-14 | [SPE7MC27V0143](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820012606927) | VALVE, SAFETY RELIEF | CHAND, L.L.C. | $105,871.10 |
| 2026-09-28 | [SPE7MC26V4608](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820012606927) | VALVE, SAFETY RELIEF | CHAND, L.L.C. | $211,742.20 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820012606927&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820012606927
- 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/4820-01-260-6927/
JSON: https://nsnexplorer.com/api/nsn/4820-01-260-6927.json