The Brake Drum, cataloged under National Stock Number 3040-01-561-4099, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Carlson Company Inc the Dba Carlson. Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-561-4099 |
| Primary Part Number | 875SB-CC |
| Item Name | Brake Drum |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Carlson Company Inc the Dba Carlson |
| Status | ACTIVE |
| Braking Surface Width | 2.625 INCHES NOMINAL IN |
| Overall Outside Diameter | 6.500 INCHES NOMINAL IN |
| Braking Surface Diameter | 4.500 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 875 SB | Carlson Company Inc the Dba Carlson (USA) |
| 875SB-CC PRIMARY | Carlson Company Inc the Dba Carlson (USA) |
| Reference | Meaning |
|---|---|
| 20866019 | 5/2 Secondary reference U.S. Government activity |
| 193867 | 5/2 Secondary reference U.S. Government activity |
| 20866004 FIND NO 10 | 5/2 Secondary reference U.S. Government activity |
NSN 3040-01-561-4099 is a Brake Drum, manufactured by Carlson Company Inc the Dba Carlson, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-561-4099 has 2 manufacturer part numbers on file: 875 SB (Carlson Company Inc the Dba Carlson), 875SB-CC (Carlson Company Inc the Dba Carlson).
Key specifications for 875SB-CC: Braking Surface Width: 2.625 INCHES NOMINAL IN; Overall Outside Diameter: 6.500 INCHES NOMINAL IN; Special Features: US NAVY LITTORAL COMBAT SHIP BRIDGE GRANE TRAVEL BRAKE.; Braking Surface Diameter: 4.500 INCHES NOMINAL IN. 4 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.