The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-773-0159, 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 Us Army Aviation and Missile Command. Government technical data includes 16 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 | 5977-00-773-0159 |
| Primary Part Number | 9053477 |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Brush Spring Adjustability | NONADJUSTABLE |
| Mounting Facility Quantity | 1 |
| Terminal Quantity | 1 |
| Inside Width | 0.191 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN |
| Terminal Type | HOLE |
| Inside Length | 1.031 INCHES NOMINAL IN |
| Overall Diameter | 0.500 INCHES NOMINAL IN |
| Top Thread Location | INTERNAL |
| Thread Length | 0.219 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Brush Quantity Accommodated Per Holder | 1 |
| Brush Pressure Spring Type Accommodated | HELICAL COMPRESSION |
| Mounting Facility | COMPRESSION |
| Inside Thickness | 0.093 INCHES NOMINAL IN |
| Material | COPPER ALLOY 360 BOX |
| Thread Size and Series/type Designator | 0.250-40 UNS |
| 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 |
|---|---|
| 9053477 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 5977-00-773-0159 is a Holder,electrical Contact Brush, manufactured by Us Army Aviation and Missile Command, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-773-0159 has 1 manufacturer part number on file: 9053477 (Us Army Aviation and Missile Command).
Key specifications for 9053477: Brush Spring Adjustability: NONADJUSTABLE; Mounting Facility Quantity: 1; Terminal Quantity: 1; Inside Width: 0.191 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN. 16 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.