The Brush,electrical Contact, cataloged under National Stock Number 5977-00-280-5180, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-280-5180 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Outer Edge to Slot Edge Distance | 0.469 INCHES NOMINAL IN |
| Length | 1.750 INCHES NOMINAL IN |
| Peripheral Speed | 8000 FEET PER MINUTE FT |
| Body Style | RECTANGULAR COMMUTATOR |
| Terminal Hole Diameter | 0.281 INCHES NOMINAL IN |
| Top Style | FLAT WITH RECTANGULAR SLOT |
| Shunt Position Designator | 8 |
| Style Designator | ONE PIECE |
| Material Document and Classification | MIRGANITE INC,GR EG 7788 MFR REF SINGLE MATERIAL RESPONSE |
| Brush Shunt Length | 3.500 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | FLAT |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Slot Depth | 0.094 INCHES NOMINAL IN |
| Width | 1.500 INCHES NOMINAL IN |
| Material | ELECTROGRAPHITIC |
| Terminal Type and Quantity | 1 STRAIGHT W/HOLE |
| Slot Width | 0.563 INCHES NOMINAL IN |
| Thickness | 0.500 INCHES NOMINAL 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 |
|---|---|
| X54660PC39 | 5/9 Secondary reference Stone Safety Corp |
| 320401 | 5/9 Secondary reference Mellowes Co Div of Charter Mfg Co Inc |
| X54660PC39 | 5/9 Secondary reference Mellowes Co Div of Charter Mfg Co Inc |
| X54860PC38 | 5/9 Secondary reference Mellowes Co Div of Charter Mfg Co Inc |
| X1066PC12 | 5/9 Secondary reference Mellowes Co Div of Charter Mfg Co Inc |
| 252820 | 5/9 Secondary reference Mellowes Co Div of Charter Mfg Co Inc |
| 320401 | 5/9 Secondary reference Stone Safety Corp |
| ANSI/NEMA PUB NO. CB1 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5977-00-280-5180 is a Brush,electrical Contact, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 6210-01-105-9882, 5905-01-186-4181. Verify interchangeability with system specifications before substitution.
Key specifications for 5977-00-280-5180: Outer Edge to Slot Edge Distance: 0.469 INCHES NOMINAL IN; Length: 1.750 INCHES NOMINAL IN; Peripheral Speed: 8000 FEET PER MINUTE FT; Body Style: RECTANGULAR COMMUTATOR. 18 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.