The Brake Drum, cataloged under National Stock Number 2530-01-245-8348, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-245-8348 |
| Primary Part Number | 65A81-D930-1 |
| 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 |
| Mounting Hole Spacing | SPACED 72 DEGREES APART |
| Braking Surface Width | 0.340 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.625 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN |
| Overall Outside Diameter | 10.380 INCHES NOMINAL IN |
| Braking Surface Location | EXTERNAL |
| Center Hole Diameter | 4.157 INCHES MINIMUM AND 4.160 INCHES MAXIMUM IN |
| Braking Surface Diameter | 5.500 INCHES NOMINAL IN |
| Material | IRON OVERALL |
| 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 |
|---|---|
| 65A81-D930-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 65A81-D930 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 65A81-D930-1 | 3/9 Design control — primary reference Kelsey-Hayes Co |
NSN 2530-01-245-8348 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 2530-01-245-8348 has 1 manufacturer part number on file: 65A81-D930-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 65A81-D930-1: Mounting Hole Quantity: 5; Mounting Hole Spacing: SPACED 72 DEGREES APART; Braking Surface Width: 0.340 INCHES NOMINAL IN; Mounting Hole Diameter: 0.625 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN. 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.