The Brush,electrical Contact, cataloged under National Stock Number 5977-01-545-6017, 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 Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-01-545-6017 |
| Primary Part Number | LR57668 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec |
| Status | ACTIVE |
| Material | CARBON |
| 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 |
|---|---|
| LR57668 PRIMARY | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA) |
| Reference | Meaning |
|---|---|
| RB56773 | 5/9 Secondary reference Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec |
NSN 5977-01-545-6017 is a Brush,electrical Contact, manufactured by Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-01-545-6017 has 1 manufacturer part number on file: LR57668 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec).
Key specifications for LR57668: Special Features: BRUSH 3/8 INCH W X 1/2 INCH LONG X 1/2 IN HT; PIGTAIL W/ POLYTETRAFLUOROETHYLENE SLEEVE; SCREW ATTACHMENT; WIRE IS 1.5 INCHES LONG IN; End Item Identification: CNTRIFUGAL BOOST PUMP, MODEL NUMBER RR54080A; Material: CARBON. 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.