The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-977-5490, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-977-5490 |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 MACHINE SCREW AND 3 GROUNDING SCREW |
| Brush Spring Adjustability | NONADJUSTABLE |
| Mounting Facility Quantity | 2 |
| Inside Width | 0.498 INCHES NOMINAL IN |
| Inside Length | 0.997 INCHES NOMINAL IN |
| Style Designator | WING |
| Brush Quantity Accommodated Per Holder | 2 |
| Brush Pressure Spring Type Accommodated | SPIRAL TORSION |
| Mounting Facility | BOLT AND SHAFT |
| Inside Thickness | 0.755 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 |
| Reference | Meaning |
|---|---|
| 18A1PS1470 | 5/2 Secondary reference U.S. Government activity |
| A18405-1 | 3/9 Design control — primary reference Nei Peebles-Electric Products Inc |
| 18A1PS1470 | 5/9 Secondary reference Chicago Pneumatic Tool Co |
NSN 5977-00-977-5490 is a Holder,electrical Contact Brush, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
Key specifications for 5977-00-977-5490: Furnished Items and Quantity: 1 MACHINE SCREW AND 3 GROUNDING SCREW; Brush Spring Adjustability: NONADJUSTABLE; Mounting Facility Quantity: 2; Inside Width: 0.498 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.