The Brush,electrical Contact, cataloged under National Stock Number 5977-00-237-1586, 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 Lincoln Electric Holdings Inc. 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. 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 | 5977-00-237-1586 |
| Primary Part Number | T2687 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Lincoln Electric Holdings Inc |
| Status | ACTIVE |
| Length | 1.500 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Style Designator | ONE PIECE |
| Brush Shunt Length | 3.500 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | CONCAVE ON BEVEL |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Width | 1.500 INCHES NOMINAL IN |
| Bevel Angle | 30.0 DEGREES NOMINAL |
| Material | ELECTROGRAPHITIC |
| Terminal Type and Quantity | 1 ROUND CAP W/EARS |
| Thickness | 0.500 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 |
|---|---|
| T2687 PRIMARY | Lincoln Electric Holdings Inc (USA) |
NSN 5977-00-237-1586 is a Brush,electrical Contact, manufactured by Lincoln Electric Holdings Inc, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-237-1586 has 1 manufacturer part number on file: T2687 (Lincoln Electric Holdings Inc).
1 possible match (shared part number, not a government interchangeability claim): 9540-00-406-7797. Verify interchangeability with system specifications before substitution.
Key specifications for T2687: Length: 1.500 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR; Style Designator: ONE PIECE; Brush Shunt Length: 3.500 INCHES NOMINAL SINGLE SHUNT IN. 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.