The Brake Drum, cataloged under National Stock Number 2530-01-397-5406, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-397-5406 |
| Primary Part Number | 322AS110-1 |
| Item Name | Brake Drum |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Mounting Hole Quantity | 5 |
| Adjustment Hole | NOT INCLUDED |
| Balancing Pad | NOT INCLUDED |
| Inspection Hole | NOT INCLUDED |
| Mounting Hole Diameter | 0.531 INCHES NOMINAL IN |
| Overall Outside Diameter | 7.375 INCHES NOMINAL IN |
| Oil Drain Hole | NOT INCLUDED |
| Center Hole Diameter | 4.001 INCHES NOMINAL IN |
| Cooling Fin | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 322AS110 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 322AS110-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 2530-01-397-5406 is a Brake Drum, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-397-5406 has 2 manufacturer part numbers on file: 322AS110 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 322AS110-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 322AS110-1: Mounting Hole Quantity: 5; Adjustment Hole: NOT INCLUDED; Balancing Pad: NOT INCLUDED; Inspection Hole: NOT INCLUDED. 9 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.