The Brake,multiple Disk, cataloged under National Stock Number 3040-01-512-3083, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-512-3083 |
| Primary Part Number | 7457318-1 |
| Item Name | Brake,multiple Disk |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Overall Diameter | 6.940 INCHES NOMINAL IN |
| Mounting Method | SPLINE |
| Mounting Hole Diameter | 0.531 INCHES NOMINAL IN |
| Pitch Diameter | 0.500 INCHES NOMINAL IN |
| Rotating Disk Outside Diameter | 6.000 INCHES NOMINAL IN |
| Spline Quantity | 13 |
| Bolt Circle Diameter | 5.750 INCHES NOMINAL IN |
| Installation Location | CENTER |
| Rotating Disk Quantity | 4 |
| Operation Method | HYDRAULIC |
| 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 |
|---|---|
| 7457318-1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 7457318 | D/9 Drawing number reference only Naval Sea Systems Command |
| 02-556-352 | 5/2 Secondary reference U.S. Government activity |
NSN 3040-01-512-3083 is a Brake,multiple Disk, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-512-3083 has 1 manufacturer part number on file: 7457318-1 (Naval Sea Systems Command).
Key specifications for 7457318-1: Mounting Hole Quantity: 2; Overall Diameter: 6.940 INCHES NOMINAL IN; Mounting Method: SPLINE; Mounting Hole Diameter: 0.531 INCHES NOMINAL IN. 11 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.