# NSN 4820-01-454-1135: Valve, Stop-Check

NSN 4820-01-454-1135 (also written 4820014541135; NIIN 01-454-1135) is a valve, stop-check in Federal Supply Class 4820, Valves, Nonpowered. 3 manufacturer part numbers from 1 supplier are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4820-01-454-1135 (4820014541135)
- NIIN: 01-454-1135 (014541135)
- 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 L: annual buy value is below the screening threshold. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | ALL ENDS INCHES 0.500 |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE FAHRENHEIT 400.0 |
| AWLS | CONNECTION TYPE | ALL ENDS UNTHREADED INTERNAL PIPE |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 400.0 |
| FEAT | SPECIAL FEATURES | DISC IS NOTCHED IAW NNS DWG D6454-178, PART 29 |
| MATT | MATERIAL | OVERALL COPPER ALLOY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE AST- B61 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 163A-007-D-0001 | 76364 | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 163A-007G 1/2 IN | 76364 | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 163A-007K 1/2 | 76364 | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-22 | [SPE7M125P9200](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014541135) | VALVE, STOP-CHECK | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC | $2,128.50 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820014541135&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014541135
- 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/4820-01-454-1135/
JSON: https://nsnexplorer.com/api/nsn/4820-01-454-1135.json