The Brush,electrical Contact, cataloged under National Stock Number 5977-00-475-2800, 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 Ametek Inc Lamb Electric Div. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-475-2800 |
| Primary Part Number | 10-5978 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Ametek Inc Lamb Electric Div |
| Status | ACTIVE |
| Length | 0.688 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATORRECTANGULAR COMMUTATOR |
| Radius | 0.875 INCHES NOMINAL0.875 INCHES NOMINAL IN |
| Top Style | FLAT WITH LEFT EDGE BEVELEDFLAT WITH LEFT EDGE BEVELED |
| Shunt Position Designator | 22 |
| Style Designator | ONE PIECE |
| Brush Shunt Length | 1.000 INCHES MINIMUM AND 1.062 INCHES MAXIMUM SINGLE SHUNT IN |
| Contact Face Style | CONCAVE |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED1 UNINSULATED |
| Width | 0.620 INCHES MINIMUM AND 0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM0.624 INCHES MAXIMUM IN |
| Material | CARBON |
| Terminal Type and Quantity | 1 FLAG W/HOLE |
| Thickness | 0.3075 INCHES MINIMUM AND 0.3075 INCHES MINIMUM AND 0.3115 INCHES MAXIMUM0.3115 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 |
NSN 5977-00-475-2800 is a Brush,electrical Contact, manufactured by Ametek Inc Lamb Electric Div, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-475-2800 has 2 manufacturer part numbers on file: 10-5978 (Ametek Inc Lamb Electric Div), 105978 (Ametek Inc Lamb Electric Div).
Key specifications for 10-5978: Length: 0.688 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATORRECTANGULAR COMMUTATOR; Radius: 0.875 INCHES NOMINAL0.875 INCHES NOMINAL IN; Top Style: FLAT WITH LEFT EDGE BEVELEDFLAT WITH LEFT EDGE BEVELED. 13 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.