The Brush,electrical Contact, cataloged under National Stock Number 5977-00-964-2795, 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. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5977-00-964-2795 |
| Primary Part Number | C-425 |
| 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 |
| Length | 0.406 INCHES NOMINAL IN |
| Largest Outside Diameter | 0.185 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Body Style | CYLINDRICAL |
| Top Style | CYLINDRICAL HEAD |
| Style Designator | ONE PIECE |
| Material Document and Classification | CARBONE GRADE R-16-C MFR REF SINGLE MATERIAL RESPONSE |
| Diameter | 0.201 INCHES NOMINAL IN |
| Spring Free Length | 0.438 INCHES NOMINAL IN |
| Pressure Spring Type and Quantity | 1 CYLINDRICAL |
| Head Length | 0.062 INCHES NOMINAL IN |
| Contact Face Style | FLAT |
| Material | CARBON |
| 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 |
|---|---|
| C-425 PRIMARY | Mersen Usa Ptt Corp Dba Mersen Usa - Salem Branch Div Mersen Usa Bn Corp (USA) |
| Reference | Meaning |
|---|---|
| 10-160844 | 5/9 Secondary reference Teledyne Industries Inc Teledyne Power Systems Div |
| 10-160844 | 5/1 Secondary reference Amphenol Corp Div Amphenol Aerospace Operations |
| 10-160844 | 5/9 Secondary reference Unison Industries Llc |
NSN 5977-00-964-2795 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 5977-00-964-2795 has 1 manufacturer part number on file: C-425 (Mersen Usa Ptt Corp Dba Mersen Usa - Salem Branch Div Mersen Usa Bn Corp).
1 possible match (shared part number, not a government interchangeability claim): 5910-01-371-3442. Verify interchangeability with system specifications before substitution.
Key specifications for C-425: Length: 0.406 INCHES NOMINAL IN; Largest Outside Diameter: 0.185 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN; Body Style: CYLINDRICAL; Top Style: CYLINDRICAL HEAD. 12 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.