The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-01-226-0639, 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 Aljers Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 — Electrical Contact Brushes and Electrodes (FSG 59) |
| Manufacturers | Aljers Llc (CAGE 1Q8T8); Electro Mechanical Specialists, Llc (CAGE 3BAS6) |
| Parameter | Value |
|---|---|
| NSN | 5977-01-226-0639 |
| Primary Part Number | 806779-0 GR.52 |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Aljers Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 806779-0 GR.52 PRIMARY | Aljers Llc (USA) |
| 806779-0 GR.52 | Electro Mechanical Specialists, Llc (USA) |
| Reference | Meaning |
|---|---|
| 806779-0 GR.52 | 3/9 Design control — primary reference U.S. Government activity |
| 14710A | 5/9 Secondary reference Trans Tech Inc |
| 806779-0 GR.52 | 5/9 Secondary reference Trans Tech Inc |
NSN 5977-01-226-0639 is a Holder,electrical Contact Brush, manufactured by Aljers Llc, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-01-226-0639 has 2 manufacturer part numbers on file: 806779-0 GR.52 (Aljers Llc), 806779-0 GR.52 (Electro Mechanical Specialists, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-574-4813. Verify interchangeability with system specifications before substitution.
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.