The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-032-4846, 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 National Oilwell Varco Inc Dba National Oilwell. Government technical data includes 10 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5977-00-032-4846 |
| Primary Part Number | 00B900087409 |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | National Oilwell Varco Inc Dba National Oilwell |
| Status | ACTIVE |
| Brush Spring Adjustability | ADJUSTABLE |
| Mounting Facility Quantity | 1 |
| Terminal Quantity | 2 |
| Inside Width | 2.000 INCHES NOMINAL IN |
| Terminal Type | SCREW |
| Inside Length | 1.688 INCHES NOMINAL IN |
| Brush Quantity Accommodated Per Holder | 2 |
| Brush Pressure Spring Type Accommodated | HELICAL TORSION |
| Mounting Facility | THREADED HOLES |
| Inside Thickness | 1.000 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 |
|---|---|
| 00B900087409 PRIMARY | National Oilwell Varco Inc Dba National Oilwell (USA) |
| Reference | Meaning |
|---|---|
| 00B900087409 | 5/9 Secondary reference Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies |
| 6-8G87409PC2-4T016 | 5/9 Secondary reference U.S. Government activity |
| 00B900087409 | 5/9 Secondary reference U.S. Government activity |
| G87409 | 5/9 Secondary reference Colt Industries Inc Power Systems Div |
NSN 5977-00-032-4846 is a Holder,electrical Contact Brush, manufactured by National Oilwell Varco Inc Dba National Oilwell, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-032-4846 has 1 manufacturer part number on file: 00B900087409 (National Oilwell Varco Inc Dba National Oilwell).
Key specifications for 00B900087409: Brush Spring Adjustability: ADJUSTABLE; Mounting Facility Quantity: 1; Terminal Quantity: 2; Inside Width: 2.000 INCHES NOMINAL IN. 10 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.