# NSN 4820-01-122-1045: Diaphragm, Actuator Valve, Special

NSN 4820-01-122-1045 (also written 4820011221045; NIIN 01-122-1045) is a diaphragm, actuator valve, special 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: 4820-01-122-1045 (4820011221045)
- NIIN: 01-122-1045 (011221045)
- Item name: DIAPHRAGM,ACTUATOR VALVE,SPECIAL
- 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 2026-10-27)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAUB | HOLE DIAMETER | INCHES NOMINAL 0.381 |
| ABHE | OUTSIDE DIAMETER | INCHES NOMINAL 13.250 |
| ABKG | BOLT CIRCLE DIAMETER | INCHES NOMINAL 12.000 |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 1.660 |
| ABPX | MATERIAL THICKNESS | INCHES NOMINAL 0.078 |
| ABQA | TAPER MINOR DIAMETER | INCHES NOMINAL 8.938 |
| ABQB | TAPER MAJOR DIAMETER | INCHES NOMINAL 9.362 |
| ADYT | CENTER HOLE DIAMETER | INCHES NOMINAL 0.910 |
| AECS | BOLT HOLE QUANTITY | 16 |
| AJXS | BEAD DIAMETER | INCHES NOMINAL 10.105 |
| MATT | MATERIAL | RUBBER |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2E66990220 | 22508 | FISHER CONTROLS CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2E669902202 | 22508 | FISHER CONTROLS CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BULL667PC3 | 22508 | FISHER CONTROLS CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-02 | [SPE7MC26V2185](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820011221045) | DIAPHRAGM, ACTUATOR | PHOENIX TRADING INC. | $631.89 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820011221045&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820011221045
- 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/4820-01-122-1045/
JSON: https://nsnexplorer.com/api/nsn/4820-01-122-1045.json