The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-900-5136, 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 William S Guttenberg Dba Wilco Electric Company. Government technical data includes 12 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-900-5136 |
| Primary Part Number | S1394188 |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | William S Guttenberg Dba Wilco Electric Company |
| Status | ACTIVE |
| Brush Spring Adjustability | NONADJUSTABLE |
| Mounting Facility Quantity | 1 |
| Inside Length | 1.985 INCHES NOMINAL IN |
| Overall Diameter | 0.940 INCHES NOMINAL IN |
| Top Thread Location | EXTERNAL |
| Thread Length | 0.156 INCHES NOMINAL IN |
| Brush Quantity Accommodated Per Holder | 1 |
| Brush Pressure Spring Type Accommodated | HELICAL COMPRESSION |
| Inside Diameter | 0.562 INCHES NOMINAL IN |
| Mounting Facility | PRESS FIT |
| Material | COPPER ALLOY BOX |
| Thread Size and Series/type Designator | 0.938-20 UNEF |
| 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 |
|---|---|
| S1394188 PRIMARY | William S Guttenberg Dba Wilco Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 6C2811ITEM1-2 | 5/9 Secondary reference U.S. Government activity |
| 413A806A02 | 5/9 Secondary reference Westinghouse Electric Corp |
| 413A806A02 | 5/9 Secondary reference U.S. Government activity |
| 413A806A02 | 5/9 Secondary reference U.S. Government activity |
| 6C2811ITEM1-2 | 5/9 Secondary reference Westinghouse Electric Corp |
| 6C2811ITEM1-2 | 5/9 Secondary reference U.S. Government activity |
NSN 5977-00-900-5136 is a Holder,electrical Contact Brush, manufactured by William S Guttenberg Dba Wilco Electric Company, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-900-5136 has 1 manufacturer part number on file: S1394188 (William S Guttenberg Dba Wilco Electric Company).
Key specifications for S1394188: Brush Spring Adjustability: NONADJUSTABLE; Mounting Facility Quantity: 1; Inside Length: 1.985 INCHES NOMINAL IN; Overall Diameter: 0.940 INCHES NOMINAL IN. 12 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.