The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-01-142-8458, 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 Koehler Instrument Company, Inc.. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5977-01-142-8458 |
| Primary Part Number | 280-001-002 |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Koehler Instrument Company, Inc. |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 BRUSH |
| Material | COPPER ALLOY BOX |
| 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 |
|---|---|
| 280-001-002 PRIMARY | Koehler Instrument Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1010B | 5/9 Secondary reference Koehler Instrument Company, Inc. |
NSN 5977-01-142-8458 is a Holder,electrical Contact Brush, manufactured by Koehler Instrument Company, Inc., classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-01-142-8458 has 1 manufacturer part number on file: 280-001-002 (Koehler Instrument Company, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5950-01-363-4965. Verify interchangeability with system specifications before substitution.
Key specifications for 280-001-002: Furnished Items and Quantity: 1 BRUSH; Material: COPPER ALLOY BOX. 2 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.