The Brush,electrical Contact, cataloged under National Stock Number 5977-01-085-2778, 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 Kollmorgen Corp. Government technical data includes 17 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 | 5977-01-085-2778 |
| Primary Part Number | 27916 ISSUE 6 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Kollmorgen Corp |
| Status | ACTIVE |
| Outer Edge to Slot Edge Distance | 0.219 INCHES NOMINAL IN |
| Length | 0.900 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Terminal Hole Diameter | 0.173 INCHES NOMINAL IN |
| Top Style | FLAT WITH RECTANGULAR SLOT |
| Shunt Position Designator | 8 |
| Style Designator | ONE PIECE |
| Material Document and Classification | CARBONE CARBON GRADE 605 MFR REF SINGLE MATERIAL RESPONSE |
| Brush Shunt Length | 1.250 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | FLAT |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Slot Depth | 0.090 INCHES NOMINAL IN |
| Width | 0.747 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN |
| Material | CARBON GRAPHITE |
| Terminal Type and Quantity | 1 STRAIGHT W/HOLE |
| Slot Width | 0.310 INCHES NOMINAL IN |
| Thickness | 0.184 INCHES MINIMUM AND 0.186 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 |
| Part Number | Manufacturer |
|---|---|
| 27916ISSUE5 | Kollmorgen Corp (USA) |
| 27916 ISSUE 6 PRIMARY | Kollmorgen Corp (USA) |
NSN 5977-01-085-2778 is a Brush,electrical Contact, manufactured by Kollmorgen Corp, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-01-085-2778 has 2 manufacturer part numbers on file: 27916ISSUE5 (Kollmorgen Corp), 27916 ISSUE 6 (Kollmorgen Corp).
Key specifications for 27916 ISSUE 6: Outer Edge to Slot Edge Distance: 0.219 INCHES NOMINAL IN; Length: 0.900 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR; Terminal Hole Diameter: 0.173 INCHES NOMINAL IN. 17 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.