The Brush,electrical Contact, cataloged under National Stock Number 5977-00-538-4773, 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 Carbon/graphite Group Inc the. Government technical data includes 21 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-538-4773 |
| Primary Part Number | PD4613-5 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Carbon/graphite Group Inc the |
| Status | ACTIVE |
| Length | 2.250 INCHES NOMINAL IN |
| Peripheral Speed | 8000 FEET PER MINUTE FT |
| Body Style | RECTANGULAR COMMUTATOR |
| Radius | 14.000 INCHES NOMINAL IN |
| Extension Length | 0.282 INCHES NOMINAL IN |
| Terminal Slot Width | 0.281 INCHES NOMINAL IN |
| Top Style | BEVELED FRONT |
| Shunt Position Designator | 2 |
| Criticality Code Justification | MATT AND MDCL |
| Clip Type | NEMA HAMMER TYPE EXTENDED A |
| Style Designator | ONE PIECE |
| Material Document and Classification | SPEER CARBON CO,GR 4029 MFR REF SINGLE MATERIAL RESPONSE |
| Angle | 35.0 DEGREES NOMINAL |
| Brush Shunt Length | 4.500 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | CONCAVE ON BEVEL |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Width | 1.500 INCHES NOMINAL IN |
| Bevel Angle | 28.5 DEGREES NOMINAL |
| Material | ELECTROGRAPHITIC |
| Terminal Type and Quantity | 1 STRAIGHT W/SLOT |
| Thickness | 0.563 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 | Y |
NSN 5977-00-538-4773 is a Brush,electrical Contact, manufactured by Carbon/graphite Group Inc the, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-538-4773 has 3 manufacturer part numbers on file: PD4613-5 (Carbon/graphite Group Inc the), G75PC2 (Elliott Company Div Jeannette), PD4613PC5 (Carbon/graphite Group Inc the).
Key specifications for PD4613-5: Length: 2.250 INCHES NOMINAL IN; Peripheral Speed: 8000 FEET PER MINUTE FT; Body Style: RECTANGULAR COMMUTATOR; Radius: 14.000 INCHES NOMINAL IN. 21 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.