# NSN 2540-01-631-4520: Diffuser, Air, Vehicular Heating A

NSN 2540-01-631-4520 (also written 2540016314520; NIIN 01-631-4520) is a diffuser, air, vehicular heating a in Federal Supply Class 2540, Vehicular Furniture and Accessories. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 2540-01-631-4520 (2540016314520)
- NIIN: 01-631-4520 (016314520)
- Item name: DIFFUSER,AIR,VEHICULAR HEATING A
- Federal Supply Class: [FSC 2540 Vehicular Furniture and Accessories](https://nsnexplorer.com/fsc/2540/)
- Federal Supply Group: [FSG 25](https://nsnexplorer.com/group/25/)
- Acquisition method suffix code: AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-23)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| MATT | MATERIAL | STEEL |
| ABKW | OVERALL HEIGHT | MILLIMETERS NOMINAL 39.3 |
| ABHP | OVERALL LENGTH | MILLIMETERS NOMINAL 145.5 |
| ABMK | OVERALL WIDTH | MILLIMETERS NOMINAL 52.1 |
| PRPY | PROPRIETARY CHARACTERISTICS | NPAC |
| AGAV | END ITEM IDENTIFICATION | MRAP MAXXPRO DASH W/ISS |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | FRAME, LOUVER |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 171377111C | 62319 | REAL-TIME LABORATORIES, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3114093C1 | 338X5 | ND DEFENSE LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-12 | [SPE7L326P2412](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2540016314520) | DIFFUSER, AIR, VEHICU | VECTRUS SYSTEMS LLC | $2,027.42 |
| 2026-08-12 | [SPE7L326P2412](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2540016314520) | DIFFUSER, AIR, VEHICU | VECTRUS SYSTEMS LLC | $2,027.42 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2540016314520&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2540016314520
- 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/2540-01-631-4520/
JSON: https://nsnexplorer.com/api/nsn/2540-01-631-4520.json