The Brake Drum, cataloged under National Stock Number 3040-00-402-5639, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Drs C3 & Aviation Company Dba Drs Data & Imaging Systems. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-402-5639 |
| Primary Part Number | 602124-01 |
| Item Name | Brake Drum |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Drs C3 & Aviation Company Dba Drs Data & Imaging Systems |
| Status | ACTIVE |
| FSC Application Data | SOUND RECORDING AND REPRODUCING EQUIPMENT |
| Adjustment Hole | INCLUDED |
| Balancing Pad | NOT INCLUDED |
| Braking Surface Width | 0.312 INCHES NOMINAL IN |
| Inspection Hole | INCLUDED |
| Overall Outside Diameter | 2.109 INCHES NOMINAL IN |
| Braking Surface Location | EXTERNAL |
| Oil Drain Hole | NOT INCLUDED |
| Center Hole Diameter | 0.594 INCHES NOMINAL IN |
| Braking Surface Diameter | 2.000 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Cooling Fin | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 602124-01 PRIMARY | Drs C3 & Aviation Company Dba Drs Data & Imaging Systems (USA) |
| Reference | Meaning |
|---|---|
| 202124-01 | 5/9 Secondary reference Drs C3 & Aviation Company Dba Drs Data & Imaging Systems |
NSN 3040-00-402-5639 is a Brake Drum, manufactured by Drs C3 & Aviation Company Dba Drs Data & Imaging Systems, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-402-5639 has 1 manufacturer part number on file: 602124-01 (Drs C3 & Aviation Company Dba Drs Data & Imaging Systems).
Key specifications for 602124-01: FSC Application Data: SOUND RECORDING AND REPRODUCING EQUIPMENT; Adjustment Hole: INCLUDED; Balancing Pad: NOT INCLUDED; Braking Surface Width: 0.312 INCHES NOMINAL IN. 12 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.