The Brush,electrical Contact, cataloged under National Stock Number 5977-00-910-4591, 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 Honeywell International, Inc Div Aerospace-Tucson. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5977-00-910-4591 |
| Primary Part Number | 1533222 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Honeywell International, Inc Div Aerospace-Tucson |
| Status | ACTIVE |
| Length | 0.500 INCHES NOMINAL IN |
| Terminal Diameter | 0.304 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Largest Outside Diameter | 0.136 INCHES MINIMUM AND 0.146 INCHES MAXIMUM IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Radius | 0.625 INCHES NOMINAL IN |
| Shunt Position Designator | 5 |
| Style Designator | ONE PIECE |
| Material Document and Classification | CARBONE GRADE 860 MFR REF SINGLE MATERIAL RESPONSE |
| Spring Free Length | 1.031 INCHES NOMINAL IN |
| Pressure Spring Type and Quantity | 1 CYLINDRICAL |
| Brush Shunt Length | 0.355 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | CONCAVE |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Width | 0.246 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Material | CARBON |
| Terminal Type and Quantity | 1 ROUND CAP W/EARS |
| Thickness | 0.075 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5977-00-910-4591 is a Brush,electrical Contact, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-910-4591 has 3 manufacturer part numbers on file: 1533222 (Honeywell International, Inc Div Aerospace-Tucson), 10419 (Miraj Corp), 10419 (Fel Avionics Limited).
5 possible matches (shared part number, not a government interchangeability claim): 6650-01-041-3479, 2590-01-140-8208, 4820-01-189-4692. Verify interchangeability with system specifications before substitution.
Key specifications for 1533222: Length: 0.500 INCHES NOMINAL IN; Terminal Diameter: 0.304 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Largest Outside Diameter: 0.136 INCHES MINIMUM AND 0.146 INCHES MAXIMUM IN; Body Style: RECTANGULAR COMMUTATOR. 17 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.