The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-405-4852, 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 Purolator Products Co Div Motor Components, Llc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-405-4852 |
| Primary Part Number | 491800 |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Purolator Products Co Div Motor Components, Llc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 BRUSH |
| Brush Spring Adjustability | NONADJUSTABLE |
| Width Across Flats | 0.866 INCHES NOMINAL IN |
| Terminal Quantity | 1 |
| Terminal Type | SOLDER LUG |
| Inside Length | 2.562 INCHES NOMINAL IN |
| Top Thread Location | EXTERNAL |
| Style Designator | ROUND |
| Brush Quantity Accommodated Per Holder | 1 |
| Brush Pressure Spring Type Accommodated | HELICAL COMPRESSION |
| Inside Diameter | 0.219 INCHES NOMINAL IN |
| Width Across Corners | 0.994 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 |
|---|---|
| 491800 PRIMARY | Purolator Products Co Div Motor Components, Llc (USA) |
NSN 5977-00-405-4852 is a Holder,electrical Contact Brush, manufactured by Purolator Products Co Div Motor Components, Llc, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-405-4852 has 1 manufacturer part number on file: 491800 (Purolator Products Co Div Motor Components, Llc).
Key specifications for 491800: Furnished Items and Quantity: 1 BRUSH; Brush Spring Adjustability: NONADJUSTABLE; Width Across Flats: 0.866 INCHES NOMINAL IN; Terminal Quantity: 1. 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.