The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-038-3549, 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 Imperial Electric Co. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-038-3549 |
| Primary Part Number | GL50 1-2BH |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Imperial Electric Co |
| Status | ACTIVE |
| Brush Spring Adjustability | ADJUSTABLE |
| Mounting Facility Quantity | 2 |
| Terminal Quantity | 1 |
| Inside Width | 1.250 INCHES NOMINAL IN |
| Terminal Type | SCREW |
| Inside Length | 0.375 INCHES NOMINAL IN |
| Overall Thickness | 1.250 INCHES NOMINAL IN |
| Brush Pressure Spring Type Accommodated | HELICAL TORSION |
| Mounting Facility | SETSCREW AND ROD |
| Inside Thickness | 0.312 INCHES NOMINAL IN |
| 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 |
|---|---|
| GL50 1-2BH PRIMARY | Imperial Electric Co (USA) |
NSN 5977-00-038-3549 is a Holder,electrical Contact Brush, manufactured by Imperial Electric Co, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-038-3549 has 1 manufacturer part number on file: GL50 1-2BH (Imperial Electric Co).
Key specifications for GL50 1-2BH: Brush Spring Adjustability: ADJUSTABLE; Mounting Facility Quantity: 2; Terminal Quantity: 1; Inside Width: 1.250 INCHES NOMINAL IN. 11 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.