The Brush,electrical Contact, cataloged under National Stock Number 5977-00-033-5770, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-033-5770 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Outer Edge to Slot Edge Distance | 0.217 INCHES NOMINAL IN |
| Length | 1.375 INCHES NOMINAL IN |
| Peripheral Speed | 8000 FEET PER MINUTE FT |
| Body Style | RECTANGULAR COMMUTATOR |
| Terminal Slot Width | 0.218 INCHES NOMINAL IN |
| Shunt Position Designator | 8 |
| Style Designator | ONE PIECE |
| Material Document and Classification | UNION CARBIDE CORP,CARBON PRODUCTS DIV,GRADE SA-45 MFR REF SINGLE MATERIAL RESPONSE |
| Angle | 20.0 DEGREES NOMINAL |
| Brush Shunt Length | 2.500 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | BEVELED |
| Slot Depth | 0.031 INCHES NOMINAL IN |
| Width | 0.745 INCHES NOMINAL IN |
| Bevel Angle | 30.0 DEGREES NOMINAL |
| Material | ELECTROGRAPHITIC |
| Terminal Type and Quantity | 1 STRAIGHT W/SLOT |
| Slot Width | 0.312 INCHES NOMINAL IN |
| Thickness | 0.343 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 |
| Reference | Meaning |
|---|---|
| ANSI/NEMA PUB NO. CB1 | 3/9 Design control — primary reference U.S. Government activity |
| 60847 | 5/9 Secondary reference Reliance Electric Industrial Co Master Div |
NSN 5977-00-033-5770 is a Brush,electrical Contact, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2925-01-171-2459. Verify interchangeability with system specifications before substitution.
Key specifications for 5977-00-033-5770: Outer Edge to Slot Edge Distance: 0.217 INCHES NOMINAL IN; Length: 1.375 INCHES NOMINAL IN; Peripheral Speed: 8000 FEET PER MINUTE FT; Body Style: RECTANGULAR COMMUTATOR. 18 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.