The Brush,electrical Contact, cataloged under National Stock Number 5977-00-386-0879, 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 Kurz & Root Generator Company, Llc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5977-00-386-0879 |
| Primary Part Number | 19-946-82 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Kurz & Root Generator Company, Llc |
| Status | ACTIVE |
| Length | 1.125 INCHES NOMINAL IN |
| Peripheral Speed | 5000 FEET PER MINUTE FT |
| Body Style | RECTANGULAR SLIP RING |
| Radius | 2.500 INCHES NOMINAL IN |
| Terminal Hole Diameter | 0.219 INCHES NOMINAL IN |
| Top Style | BEVELED FRONT |
| Shunt Position Designator | 6 |
| Criticality Code Justification | MATT AND MDCL |
| Style Designator | ONE PIECE |
| Material Document and Classification | SPEER CARBON CO GR E-23 MFR REF SINGLE MATERIAL RESPONSE |
| Angle | 26.6 DEGREES NOMINAL |
| Brush Shunt Length | 3.141 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | CONCAVE |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Width | 0.375 INCHES NOMINAL IN |
| Material | CARBON |
| Terminal Type and Quantity | 1 STRAIGHT W/HOLE |
| Thickness | 0.750 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 946-82 | Kurz & Root Generator Company, Llc (USA) |
| 19-946-82 PRIMARY | Kurz & Root Generator Company, Llc (USA) |
| 19-946-82 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| ANSI/NEMA PUB NO. CB1 | 5/9 Secondary reference U.S. Government activity |
| MILB003743 | 4/1 Identification reference U.S. Government activity |
NSN 5977-00-386-0879 is a Brush,electrical Contact, manufactured by Kurz & Root Generator Company, Llc, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-386-0879 has 3 manufacturer part numbers on file: 946-82 (Kurz & Root Generator Company, Llc), 19-946-82 (Kurz & Root Generator Company, Llc), 19-946-82 (Naval Inventory Control Point Mechanicsburg).
1 possible match (shared part number, not a government interchangeability claim): 2915-00-620-7601. Verify interchangeability with system specifications before substitution.
Key specifications for 19-946-82: Length: 1.125 INCHES NOMINAL IN; Peripheral Speed: 5000 FEET PER MINUTE FT; Body Style: RECTANGULAR SLIP RING; Radius: 2.500 INCHES NOMINAL IN. 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.