The Brake Drum, cataloged under National Stock Number 3040-01-351-0184, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-351-0184 |
| Item Name | Brake Drum |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Adjustment Hole | NOT INCLUDED |
| Balancing Pad | NOT INCLUDED |
| Mounting Hole Spacing | EQUALLY SPACED |
| Braking Surface Width | 0.270 INCHES NOMINAL IN |
| Inspection Hole | NOT INCLUDED |
| Mounting Hole Diameter | 0.089 INCHES NOMINAL IN |
| Overall Outside Diameter | 0.375 INCHES NOMINAL IN |
| Braking Surface Location | EXTERNAL |
| Oil Drain Hole | NOT INCLUDED |
| Center Hole Diameter | 0.127 INCHES NOMINAL IN |
| Braking Surface Diameter | 0.307 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 |
| Reference | Meaning |
|---|---|
| 334429P01 | 5/9 Secondary reference Howden Fluid Systems |
| 334429P01 | C/1 Advisory reference — outside the item-of-supply concept Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
| 334429P01 | 3/9 Design control — primary reference Meggitt Defense Systems, Inc. Dba Meggitt Western Design |
| 334429 | D/9 Drawing number reference only Howden Fluid Systems |
NSN 3040-01-351-0184 is a Brake Drum, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-351-0184: Mounting Hole Quantity: 3; Adjustment Hole: NOT INCLUDED; Balancing Pad: NOT INCLUDED; Mounting Hole Spacing: EQUALLY SPACED. 14 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.