The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-238-7301, 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 Ward Leonard Ct Llc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-238-7301 |
| Primary Part Number | 5910-40 |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Ward Leonard Ct Llc |
| Status | ACTIVE |
| Brush Spring Adjustability | ADJUSTABLE |
| Mounting Facility Quantity | 2 |
| Inside Width | 0.875 INCHES NOMINAL IN |
| Inside Length | 1.125 INCHES NOMINAL IN |
| Overall Thickness | 2.625 INCHES NOMINAL IN |
| Brush Pressure Spring Type Accommodated | HELICAL TORSION |
| Mounting Facility | ROD AND SCREW |
| Inside Thickness | 0.375 INCHES NOMINAL IN |
| Material | COPPER ALLOY BOX |
| 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 |
|---|---|
| 5910-40 PRIMARY | Ward Leonard Ct Llc (USA) |
| 8229PT40 | Ward Leonard Ct Llc (USA) |
| Reference | Meaning |
|---|---|
| K881568SUB2PT17 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| K881567SUB1PT17 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5977-00-238-7301 is a Holder,electrical Contact Brush, manufactured by Ward Leonard Ct Llc, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-238-7301 has 2 manufacturer part numbers on file: 5910-40 (Ward Leonard Ct Llc), 8229PT40 (Ward Leonard Ct Llc).
Key specifications for 5910-40: Brush Spring Adjustability: ADJUSTABLE; Mounting Facility Quantity: 2; Inside Width: 0.875 INCHES NOMINAL IN; Inside Length: 1.125 INCHES NOMINAL IN. 9 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.