# NSN 2530-01-397-5406: Brake Drum

NSN 2530-01-397-5406 (also written 2530013975406; NIIN 01-397-5406) is a brake drum in Federal Supply Class 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. 2 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 2530-01-397-5406 (2530013975406)
- NIIN: 01-397-5406 (013975406)
- Item name: BRAKE DRUM
- Federal Supply Class: [FSC 2530 Vehicular Brake, Steering, Axle, Wheel, and Track Components](https://nsnexplorer.com/fsc/2530/)
- Federal Supply Group: [FSG 25](https://nsnexplorer.com/group/25/)
- Acquisition method suffix code: AMSC G: the government has a complete data package and the rights to use it. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABMK | OVERALL WIDTH | INCHES NOMINAL 2.969 |
| ABTB | MOUNTING HOLE DIAMETER | INCHES NOMINAL 0.531 |
| ABTJ | MOUNTING HOLE QUANTITY | 5 |
| ADGA | OVERALL OUTSIDE DIAMETER | INCHES NOMINAL 7.375 |
| ADYT | CENTER HOLE DIAMETER | INCHES NOMINAL 4.001 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 322AS110 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 322AS110-1 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2530013975406&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2530013975406
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/2530-01-397-5406/
JSON: https://nsnexplorer.com/api/nsn/2530-01-397-5406.json