The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-488-5436, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5977-00-488-5436 |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Brush Spring Adjustability | NONADJUSTABLE |
| Mounting Facility Quantity | 4 |
| Terminal Quantity | 2 |
| Inside Width | 0.187 INCHES NOMINAL IN |
| Terminal Type | SCREW |
| Inside Length | 1.000 INCHES NOMINAL IN |
| Overall Thickness | 1.875 INCHES NOMINAL IN |
| Style Designator | RECTANGLE MULTI INSERTS |
| Brush Quantity Accommodated Per Holder | 4 |
| Brush Pressure Spring Type Accommodated | HELICAL COMPRESSION |
| Mounting Facility | THREADED HOLES |
| Inside Thickness | 0.375 INCHES NOMINAL IN |
| Material | STEEL BOX |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 5-24-2001-00 | 5/9 Secondary reference Rexnord Industries Llc Div Stearns |
| D-21487 | 3/9 Design control — primary reference Rheem Mfg Co Air Conditioning Div |
| 5-24-2001 | 5/9 Secondary reference Rexnord Industries Llc Div Stearns |
NSN 5977-00-488-5436 is a Holder,electrical Contact Brush, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5945-00-722-7694, 5820-00-868-1419. Verify interchangeability with system specifications before substitution.
Key specifications for 5977-00-488-5436: Brush Spring Adjustability: NONADJUSTABLE; Mounting Facility Quantity: 4; Terminal Quantity: 2; Inside Width: 0.187 INCHES NOMINAL IN. 13 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.