The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-01-266-5830, 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 Acron Aviation, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Acron Aviation, Inc. (CAGE 25583) |
| Parameter | Value |
|---|---|
| NSN | 5977-01-266-5830 |
| Primary Part Number | 557-1530-01 |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Acron Aviation, Inc. |
| 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 |
|---|---|
| 557-1530-01 PRIMARY | Acron Aviation, Inc. (USA) |
| Reference | Meaning |
|---|---|
| GJ2743 | 5/2 Secondary reference U.S. Government activity |
| 43899 | 5/2 Secondary reference U.S. Government activity |
NSN 5977-01-266-5830 is a Holder,electrical Contact Brush, manufactured by Acron Aviation, Inc., classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-01-266-5830 has 1 manufacturer part number on file: 557-1530-01 (Acron Aviation, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 1650-01-281-4900. 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.