The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-089-9381, 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 Ge Aviation Systems Llc Dba Ge Aviation Systems Llc. Government technical data includes 5 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-089-9381 |
| Primary Part Number | C4300 |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc |
| Status | ACTIVE |
| Inside Width | 0.626 INCHES MINIMUM AND 0.631 INCHES MAXIMUM IN |
| Style Designator | RECTANGLE BEVELED |
| Brush Quantity Accommodated Per Holder | 1 |
| Mounting Facility | UNTHREADED HOLES |
| Inside Thickness | 0.377 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN |
| 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 |
|---|---|
| C4300 PRIMARY | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA) |
NSN 5977-00-089-9381 is a Holder,electrical Contact Brush, manufactured by Ge Aviation Systems Llc Dba Ge Aviation Systems Llc, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-089-9381 has 1 manufacturer part number on file: C4300 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc).
1 possible match (shared part number, not a government interchangeability claim): 7910-01-542-4740. Verify interchangeability with system specifications before substitution.
Key specifications for C4300: Inside Width: 0.626 INCHES MINIMUM AND 0.631 INCHES MAXIMUM IN; Style Designator: RECTANGLE BEVELED; Brush Quantity Accommodated Per Holder: 1; Mounting Facility: UNTHREADED HOLES. 5 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.