# NSN 4820-01-129-7564: Diaphragm, Actuator Valve, Special

NSN 4820-01-129-7564 (also written 4820011297564; NIIN 01-129-7564) is a diaphragm, actuator valve, special in Federal Supply Class 4820, Valves, Nonpowered. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 4820-01-129-7564 (4820011297564)
- NIIN: 01-129-7564 (011297564)
- 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 2026-11-01)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAUB | HOLE DIAMETER | INCHES NOMINAL 0.195 |
| ABHE | OUTSIDE DIAMETER | INCHES NOMINAL 1.688 |
| ABKG | BOLT CIRCLE DIAMETER | INCHES NOMINAL 1.750 |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 0.180 |
| ABPX | MATERIAL THICKNESS | INCHES NOMINAL 0.018 |
| ADPW | OUTSIDE CORNER RADIUS | INCHES NOMINAL 0.218 |
| AECS | BOLT HOLE QUANTITY | 4 |
| AJXS | BEAD DIAMETER | INCHES NOMINAL 1.250 |
| MATT | MATERIAL | RUBBER |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 3168940-1 | 59364 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3168940-1 | 99193 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-25 | [SPE4AX22D0008/SPE4AX26F410F](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820011297564) | DIAPHRAGM, ACTUATOR VALVE, SPECIAL SHAPED | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL | $1,442.28 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820011297564&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820011297564
- 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/4820-01-129-7564/
JSON: https://nsnexplorer.com/api/nsn/4820-01-129-7564.json