The Brush,electrical Contact, cataloged under National Stock Number 5977-00-239-4072, 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 Voltage Regulator Sales & Services Inc Dba Electronic Services. Government technical data includes 17 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-239-4072 |
| Primary Part Number | 5387793 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Voltage Regulator Sales & Services Inc Dba Electronic Services |
| Status | ACTIVE |
| Length | 1.500 INCHES NOMINAL IN |
| Peripheral Speed | 4000 FEET PER MINUTE FT |
| Body Style | RECTANGULAR SLIP RING |
| Radius | 2.875 INCHES NOMINAL IN |
| Terminal Slot Width | 0.281 INCHES NOMINAL IN |
| Top Style | FLAT |
| Shunt Position Designator | 6 |
| Criticality Code Justification | MATT AND MDCL |
| Style Designator | ONE PIECE |
| Material Document and Classification | NATIONAL CARBON GRADE AY MFR REF SINGLE MATERIAL RESPONSE |
| Brush Shunt Length | 4.500 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | CONCAVE |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Width | 0.368 INCHES NOMINAL IN |
| Material | ELECTROGRAPHITIC |
| Terminal Type and Quantity | 1 FLAG W/SLOT |
| Thickness | 0.993 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 5387793 PRIMARY | Voltage Regulator Sales & Services Inc Dba Electronic Services (USA) |
| Reference | Meaning |
|---|---|
| 61009445 | 5/9 Secondary reference National Electrical Carbon Products, Inc. Div Electrical |
| ANSI/NEMA PUB NO. CB1 | 5/9 Secondary reference U.S. Government activity |
| 5387793 | 5/9 Secondary reference General Motors Corp Delco Products Div Machine Control Systems |
| S1311148B701 | 5/9 Secondary reference National Electrical Carbon Products, Inc. Div Electrical |
NSN 5977-00-239-4072 is a Brush,electrical Contact, manufactured by Voltage Regulator Sales & Services Inc Dba Electronic Services, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-239-4072 has 1 manufacturer part number on file: 5387793 (Voltage Regulator Sales & Services Inc Dba Electronic Services).
Key specifications for 5387793: Length: 1.500 INCHES NOMINAL IN; Peripheral Speed: 4000 FEET PER MINUTE FT; Body Style: RECTANGULAR SLIP RING; Radius: 2.875 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.