The Brush,electrical Contact, cataloged under National Stock Number 5977-00-699-7777, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-699-7777 |
| Primary Part Number | 8691944 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Length | 1.188 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Radius | 1.656 INCHES NOMINAL IN |
| Terminal Hole Diameter | 0.218 INCHES NOMINAL IN |
| Top Style | BEVELED BACK |
| Shunt Position Designator | 2 |
| Clip Type | NEMA HAMMER TYPE CHANNEL A |
| Style Designator | SPLIT |
| Groove Depth | 0.031 INCHES NOMINAL IN |
| Angle | 30.0 DEGREES NOMINAL |
| Basic Shape Style | RECTANGULAR GROOVE IN LEFT SIDE |
| Brush Shunt Length | 1.250 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | CONCAVE ON BEVEL |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Width | 1.062 INCHES NOMINAL IN |
| Material | ELECTROGRAPHITIC |
| Terminal Type and Quantity | 1 FLAG W/HOLE |
| Groove Width | 0.031 INCHES NOMINAL IN |
| Thickness | 0.400 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 |
|---|---|
| 8691944 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| G22-250 | 5/9 Secondary reference Lucas Aerospace Power Equipment Corporation |
NSN 5977-00-699-7777 is a Brush,electrical Contact, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-699-7777 has 1 manufacturer part number on file: 8691944 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8691944: Length: 1.188 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR; Radius: 1.656 INCHES NOMINAL IN; Terminal Hole Diameter: 0.218 INCHES NOMINAL IN. 19 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.