The Brush,electrical Contact, cataloged under National Stock Number 5977-00-285-0027, 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 United Technologies Corp Electro Systems Inc. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-285-0027 |
| Primary Part Number | DSK42-8 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | United Technologies Corp Electro Systems Inc |
| Status | ACTIVE |
| Outer Edge to Slot Edge Distance | 0.434 INCHES NOMINAL IN |
| Length | 1.000 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Radius | 0.981 INCHES NOMINAL IN |
| Terminal Hole Diameter | 0.182 INCHES NOMINAL IN |
| Top Style | FLAT WITH RECTANGULAR SLOT |
| Shunt Position Designator | 2 AND 8 |
| Style Designator | ONE PIECE |
| Material Document and Classification | HENRITE PRODUCTS CORP,GRADE 1307 MFR REF SINGLE MATERIAL RESPONSE |
| Brush Shunt Length | 1.953 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | CONCAVE |
| Shunt Insulation Provision and Quantity | 2 INSULATED |
| Slot Depth | 0.078 INCHES NOMINAL IN |
| Width | 1.102 INCHES NOMINAL IN |
| Material | CARBON |
| Terminal Type and Quantity | 1 FLAG W/HOLE |
| Slot Width | 0.234 INCHES NOMINAL IN |
| Thickness | 0.315 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 |
NSN 5977-00-285-0027 is a Brush,electrical Contact, manufactured by United Technologies Corp Electro Systems Inc, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-285-0027 has 2 manufacturer part numbers on file: DSK42-8 (United Technologies Corp Electro Systems Inc), 9B9828 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for DSK42-8: Outer Edge to Slot Edge Distance: 0.434 INCHES NOMINAL IN; Length: 1.000 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR; Radius: 0.981 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.