The Brake Drum, cataloged under National Stock Number 2530-01-076-3493, 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 R.e. Atckison Co., Inc.. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-076-3493 |
| Primary Part Number | 782053 |
| Item Name | Brake Drum |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | R.e. Atckison Co., Inc. |
| Status | ACTIVE |
| Mounting Hole Quantity | 5 |
| Adjustment Hole | NOT INCLUDED |
| Balancing Pad | NOT INCLUDED |
| Mounting Hole Spacing | EQUALLY SPACED ON 5.500 IN. BOLT CIRCLE IN |
| Braking Surface Width | 1.625 INCHES NOMINAL IN |
| Inspection Hole | NOT INCLUDED |
| Material Document and Classification | QQ-I-666, GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.531 INCHES NOMINAL IN |
| Overall Outside Diameter | 9.000 INCHES NOMINAL IN |
| Braking Surface Location | INTERNAL |
| Oil Drain Hole | NOT INCLUDED |
| Center Hole Diameter | 4.010 INCHES NOMINAL IN |
| Braking Surface Diameter | 7.850 INCHES NOMINAL IN |
| Material | IRON CAST UNS F22200 OVERALL |
| 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 |
|---|---|
| 782053 PRIMARY | R.e. Atckison Co., Inc. (USA) |
NSN 2530-01-076-3493 is a Brake Drum, manufactured by R.e. Atckison Co., Inc., classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-076-3493 has 1 manufacturer part number on file: 782053 (R.e. Atckison Co., Inc.).
Key specifications for 782053: Mounting Hole Quantity: 5; Adjustment Hole: NOT INCLUDED; Balancing Pad: NOT INCLUDED; Mounting Hole Spacing: EQUALLY SPACED ON 5.500 IN. BOLT CIRCLE IN. 15 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.