The Brake Shoe, cataloged under National Stock Number 3040-01-331-2918, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Marine Systems Inc Div Mid-West. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-331-2918 |
| Primary Part Number | 441328 |
| Item Name | Brake Shoe |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Marine Systems Inc Div Mid-West |
| Status | ACTIVE |
| Drum Diameter for Which Designed | 35.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3040-01-331-2918 is a Brake Shoe, manufactured by Marine Systems Inc Div Mid-West, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-331-2918 has 2 manufacturer part numbers on file: 441328 (Marine Systems Inc Div Mid-West), 340449 (Airtech Llc Div Air Technologies).
1 possible match (shared part number, not a government interchangeability claim): 3950-01-718-1112. Verify interchangeability with system specifications before substitution.
Key specifications for 441328: Drum Diameter for Which Designed: 35.000 INCHES NOMINAL IN. 1 specification is 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.