# NSN 4820-01-331-8670: Valve, Stop-Check

NSN 4820-01-331-8670 (also written 4820013318670; NIIN 01-331-8670) is a valve, stop-check in Federal Supply Class 4820, Valves, Nonpowered. 3 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4820-01-331-8670 (4820013318670)
- NIIN: 01-331-8670 (013318670)
- Item name: VALVE,STOP-CHECK
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSR | BONNET TYPE | OUTSIDE SCREW-YOKE |
| ADST | BONNET ATTACHMENT METHOD | BOLTED |
| AECS | BOLT HOLE QUANTITY | 8 |
| AQLR | VALVE OPERATION METHOD | MANUAL |
| ARKN | FLANGE SHAPE | ALL ENDS ROUND |
| AWLS | CONNECTION TYPE | ALL ENDS FLANGE |
| BBJX | MOUNTING POSITION | HORIZONTAL |
| CCFG | VALVE SIZE | INCHES 6.000 |
| CWCD | NOMINAL OUTSIDE DIAMETER | ALL ENDS INCHES 10.125 |
| CWCF | FACE TO FACE DISTANCE | INCHES 14.750 |
| CWCK | NOMINAL THICKNESS | ALL ENDS INCHES 1.188 |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | ALL ENDS INCHES 0.688 |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | ALL ENDS INCHES 8.875 |
| CWDF | FLANGE FACE DESIGN | ALL ENDS PLAIN |
| MATT | MATERIAL | BODY COPPER ALLOY |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| NB25221E-0000 | 30263 | PIMA VALVE, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| NB25221E-0000 6INCH | 30263 | PIMA VALVE, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| NB25221E-0000 6INCH | 38881 | MONTREAL BRONZE LTD DBA LES FONDERIES DE BRONZE MONTR?AL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-06 | $25,463.45 | 3 | CHAND, L.L.C. | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820013318670) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-06 | [SPE7MC27V0071](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820013318670) | VALVE, STOP-CHECK | CHAND, L.L.C. | $76,390.35 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820013318670&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820013318670
- 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/4820-01-331-8670/
JSON: https://nsnexplorer.com/api/nsn/4820-01-331-8670.json