# NSN 2040-01-454-2758: Diaphragm Housing A

NSN 2040-01-454-2758 (also written 2040014542758; NIIN 01-454-2758) is a diaphragm housing a in Federal Supply Class 2040, Marine Hardware and Hull Items. 4 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 2040-01-454-2758 (2040014542758)
- NIIN: 01-454-2758 (014542758)
- Item name: DIAPHRAGM HOUSING A
- Federal Supply Class: [FSC 2040 Marine Hardware and Hull Items](https://nsnexplorer.com/fsc/2040/)
- Federal Supply Group: [FSG 20](https://nsnexplorer.com/group/20/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | USED ON WHIDBEY ISLAND CLASS LSD |
| MATT | MATERIAL | COPPER ALLOY |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | CONSIST OF DIAPHRAGM HOUSING 1; BACKING RING 1; GUARD 1; SCREW 40; DOWEL 2 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| H73380-01-1 | 0SYN4 | WARTSILA LIPS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| US73380-01 | 0SYN4 | WARTSILA LIPS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| US73380-01 ITEM H73380-01-1 | 0EYA6 | DEFENSE MARITIME SOLUTIONS, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| US73380-01 ITEM H73380-01-1 | 0SYN4 | WARTSILA LIPS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-24 | [SPE7L126P5746](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2040014542758) | DIAPHRAGM HOUSING A | HOOSIER INDUSTRIAL SUPPLY, INC | $115,756.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2040014542758&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2040014542758
- 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/2040-01-454-2758/
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