# NSN 4810-01-187-4140: Diaphragm Assembly

NSN 4810-01-187-4140 (also written 4810011874140; NIIN 01-187-4140) is a diaphragm assembly in Federal Supply Class 4810, Valves, Powered. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4810-01-187-4140 (4810011874140)
- NIIN: 01-187-4140 (011874140)
- Item name: DIAPHRAGM ASSEMBLY
- Federal Supply Class: [FSC 4810 Valves, Powered](https://nsnexplorer.com/fsc/4810/)
- 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 |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | ACFT,TYPE B52-G/H |
| CRTL | CRITICALITY CODE JUSTIFICATION | TEST |
| TEST | TEST DATA DOCUMENT | DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) 99193-3168743 |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | CONSISTS OF 2 EA DIAPHRAGM,P/N 859755-1; 1 EA PLATE,P/N 859767-2; 6 EA RIVETS,P/N MS20426A2-7; 1 EA RETAINER SPRING,P/N 3160428-3; A/R SEALANT,P/N MIL-A-46106; 1 EA SPACER,P/N 859765-5; USED ON P/N 3214068-1-1,NSN 4810-01-159-1283 |
| ZZZV | FSC APPLICATION DATA | VALVE,REGULATING,FLUID PRESSURE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 3168743-3 | 59364 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3168743-3 | 99193 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL | [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 | $634.85 | 16 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4810011874140) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-14 | [SPE4A122G0014/SPE4A527F0187](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4810011874140) | DIAPHRAGM ASSEMBLY | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL | $10,157.60 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4810011874140&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4810011874140
- 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/4810-01-187-4140/
JSON: https://nsnexplorer.com/api/nsn/4810-01-187-4140.json