FSC: 5977 — Electrical Contact Brushes and Electrodes
FSG: 59 — Electrical and Electronic Equipment Components
General Description
The Brush,electrical, cataloged under National Stock Number 5977-00-710-6643, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Brush,electrical
FSC / FSG
5977 — Electrical Contact Brushes and Electrodes (FSG 59)
Technical Specifications
Parameter
Value
NSN
5977-00-710-6643
Item Name
Brush,electrical
FSC / FSG
5977 / 59 — Electrical Contact Brushes and Electrodes
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4920-00-945-2730145-21091POSSIBLE MATCH
POWER TRANSFORMER
Possible match (shared part number)Moog Inc
5950-01-363-632642-114POSSIBLE MATCH
TRANSFORMER,POWER
Possible match (shared part number)Celtech Corporation
5340-01-583-864942114POSSIBLE MATCH
HOOK,SCREW
Possible match (shared part number)Fastenal Company Div Oshk
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
867718
3/9Design control — primary reference
U.S. Government activity
42114
5/2Secondary reference
U.S. Government activity
Related Parts
4920-00-945-2730POSSIBLE MATCH
POWER TRANSFORMER
145-21091
5950-01-363-6326POSSIBLE MATCH
TRANSFORMER,POWER
42-114
5340-01-583-8649POSSIBLE MATCH
HOOK,SCREW
42114
Frequently Asked Questions
What is NSN 5977-00-710-6643?
NSN 5977-00-710-6643 is a Brush,electrical, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
What NSN replaces 5977-00-710-6643?
3 possible matches (shared part number, not a government interchangeability claim): 4920-00-945-2730, 5950-01-363-6326, 5340-01-583-8649. Verify interchangeability with system specifications before substitution.
Is NSN 5977-00-710-6643 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.