The Brake Drum, cataloged under National Stock Number 3040-01-226-7442, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-226-7442 |
| Item Name | Brake Drum |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Material Document and Classification | SAE 1010 ASSN STD SINGLE MATERIAL RESPONSE AND SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Overall Outside Diameter | 31.990 INCHES NOMINAL IN |
| Material | STEEL COMP 1010 OR STEEL COMP 1020 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 407923 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-226-7442 is a Brake Drum, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-226-7442: Material Document and Classification: SAE 1010 ASSN STD SINGLE MATERIAL RESPONSE AND SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Overall Outside Diameter: 31.990 INCHES NOMINAL IN; Special Features: ITEM IS AN INTEGAL PART OF THE FRICTION CLUTCH TYPE 32VC1000 USED BETWEEN THE REDUCTION GEAR AND THE MAIN DIESEL ENGINE; End Item Identification: ONBOARD 378 FT WHEC COAST GUARD VESSELS FT. 3 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.