The Brush,electrical Contact, cataloged under National Stock Number 5977-01-335-2936, 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 Mersen Usa Ptt Corp Dba Mersen Usa - Salem Branch Div Mersen Usa Bn Corp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 — Electrical Contact Brushes and Electrodes (FSG 59) |
| Manufacturers | Mersen Usa Ptt Corp Dba Mersen Usa - Salem Branch Div Mersen Usa Bn Corp (CAGE 71310); Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (CAGE 51663) |
| Parameter | Value |
|---|---|
| NSN | 5977-01-335-2936 |
| Primary Part Number | P-1970 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Mersen Usa Ptt Corp Dba Mersen Usa - Salem Branch Div Mersen Usa Bn Corp |
| Status | ACTIVE |
| 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 |
|---|---|
| P-1970 PRIMARY | Mersen Usa Ptt Corp Dba Mersen Usa - Salem Branch Div Mersen Usa Bn Corp (USA) |
| LR57678 | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA) |
| Reference | Meaning |
|---|---|
| RB56904-2 | 5/9 Secondary reference Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec |
NSN 5977-01-335-2936 is a Brush,electrical Contact, manufactured by Mersen Usa Ptt Corp Dba Mersen Usa - Salem Branch Div Mersen Usa Bn Corp, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-01-335-2936 has 2 manufacturer part numbers on file: P-1970 (Mersen Usa Ptt Corp Dba Mersen Usa - Salem Branch Div Mersen Usa Bn Corp), LR57678 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec).
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.