The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-754-5500, 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 L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 11 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-754-5500 |
| Primary Part Number | 85856 |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Brush Spring Adjustability | NONADJUSTABLE |
| Mounting Facility Quantity | 4 |
| Inside Width | 0.195 INCHES NOMINAL IN |
| Inside Length | 0.500 INCHES NOMINAL IN |
| Overall Thickness | 0.995 INCHES NOMINAL IN |
| Style Designator | RECTANGLE MULTI IN LINE |
| Brush Quantity Accommodated Per Holder | 18 |
| Brush Pressure Spring Type Accommodated | FLAT FINGER |
| Mounting Facility | UNTHREADED HOLES |
| Inside Thickness | 0.025 INCHES NOMINAL IN |
| Material | PLASTIC PHENOLIC BOX |
| 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 |
|---|---|
| 85856 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
NSN 5977-00-754-5500 is a Holder,electrical Contact Brush, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-754-5500 has 1 manufacturer part number on file: 85856 (L3harris Technologies, Inc Div Space & Airborne Systems).
2 possible matches (shared part number, not a government interchangeability claim): 6105-01-258-8739, 9150-01-731-9767. Verify interchangeability with system specifications before substitution.
Key specifications for 85856: Brush Spring Adjustability: NONADJUSTABLE; Mounting Facility Quantity: 4; Inside Width: 0.195 INCHES NOMINAL IN; Inside Length: 0.500 INCHES NOMINAL IN. 11 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.