The Brush Set,electrical Contact, cataloged under National Stock Number 5977-00-481-3777, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Prestolite Electric Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5977-00-481-3777 |
| Primary Part Number | MCP2012MS |
| Item Name | Brush Set,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Prestolite Electric Inc |
| Status | ACTIVE |
| Component Quantity | 2 |
| Document Type | INDUSTRIAL DRAWING |
| Document Identification | MCP2012FS |
| Component Document Origin | INDUSTRIAL |
| Document Source | 19728 |
| 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 |
|---|---|
| MCP2012MS PRIMARY | Prestolite Electric Inc (USA) |
| Reference | Meaning |
|---|---|
| MCP2012MS | 5/9 Secondary reference Prestolite Electric Inc |
| 003709 | 5/9 Secondary reference Big Joe Mfg Co |
| 980766 | 5/9 Secondary reference U.S. Government activity |
| 980766 | 5/9 Secondary reference Clark Equipment Co |
NSN 5977-00-481-3777 is a Brush Set,electrical Contact, manufactured by Prestolite Electric Inc, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-481-3777 has 1 manufacturer part number on file: MCP2012MS (Prestolite Electric Inc).
1 possible match (shared part number, not a government interchangeability claim): 6640-01-466-3931. Verify interchangeability with system specifications before substitution.
Key specifications for MCP2012MS: Component Quantity: 2; Document Type: INDUSTRIAL DRAWING; Document Identification: MCP2012FS; Component Document Origin: INDUSTRIAL. 5 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.