The Brush Block Assembly, cataloged under National Stock Number 5977-01-328-9386, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-01-328-9386 |
| Item Name | Brush Block Assembly |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF 1 PRINTED CIRCUIT BOARD; 2 INSERTS; 27 WIRE BRUSHES 0.500 IN. DIA. 1.000 IN. LG; AND 2 SETSCREWS IN |
| 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 |
|---|---|
| BBK-1078 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5977-01-328-9386 is a Brush Block Assembly, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
Key specifications for 5977-01-328-9386: General Characteristics Item Description: CONSISTS OF 1 PRINTED CIRCUIT BOARD; 2 INSERTS; 27 WIRE BRUSHES 0.500 IN. DIA. 1.000 IN. LG; AND 2 SETSCREWS IN. 1 specification is 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.