The Brush,electrical Contact, cataloged under National Stock Number 5977-00-376-5673, 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 Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 11 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-376-5673 |
| Primary Part Number | 830099 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Length | 0.406 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Top Style | FLAT |
| Style Designator | ONE PIECE |
| Brush Shunt Length | 1.000 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | FLAT |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Width | 0.124 INCHES NOMINAL IN |
| Material | CARBON |
| Terminal Type and Quantity | 1 STRAIGHT W/HOLE |
| Thickness | 0.124 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 | X |
| Part Number | Manufacturer |
|---|---|
| 830099 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 5977-00-376-5673 is a Brush,electrical Contact, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-376-5673 has 1 manufacturer part number on file: 830099 (Lockheed Martin Corporation Div Rms - Mitchel Field).
2 possible matches (shared part number, not a government interchangeability claim): 5935-00-566-3994, 6145-00-811-5224. Verify interchangeability with system specifications before substitution.
Key specifications for 830099: Length: 0.406 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR; Top Style: FLAT; Style Designator: ONE PIECE. 11 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.