The Brush,electrical Contact, cataloged under National Stock Number 5977-00-758-5950, 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 Motor Specialty Inc. Government technical data includes 20 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5977-00-758-5950 |
| Primary Part Number | 7024268002 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Motor Specialty Inc |
| Status | ACTIVE |
| Length | 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN |
| Terminal Diameter | 0.237 INCHES MINIMUM AND 0.257 INCHES MAXIMUM IN |
| Largest Outside Diameter | 0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Radius | 0.562 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN |
| Top Style | CYLINDRICAL HEAD |
| Shunt Position Designator | 5 |
| Style Designator | ONE PIECE |
| Material Document and Classification | STACKPOLE CARBON CO,GRADE 417 MFR REF SINGLE MATERIAL RESPONSE |
| Spring Free Length | 1.187 INCHES MINIMUM AND 1.343 INCHES MAXIMUM IN |
| Pressure Spring Type and Quantity | 1 CYLINDRICAL |
| Head Length | 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Brush Shunt Length | 1.062 INCHES MINIMUM AND 1.124 INCHES MAXIMUM 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 | ELECTROGRAPHITIC |
| Terminal Type and Quantity | 1 ROUND CAP |
| Thickness | 0.246 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Head Diameter | 0.212 INCHES MINIMUM AND 0.218 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 |
| Part Number | Manufacturer |
|---|---|
| 7024268002 PRIMARY | Motor Specialty Inc (USA) |
| Reference | Meaning |
|---|---|
| 7024268002 | 5/9 Secondary reference Robbins and Myers Inc |
| 13216E8943 | 5/9 Secondary reference U.S. Government activity |
| 18563 | 5/9 Secondary reference U.S. Government activity |
| 7024268002 | 5/9 Secondary reference U.S. Government activity |
NSN 5977-00-758-5950 is a Brush,electrical Contact, manufactured by Motor Specialty Inc, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-758-5950 has 1 manufacturer part number on file: 7024268002 (Motor Specialty Inc).
3 possible matches (shared part number, not a government interchangeability claim): 6145-00-808-3536, 4820-01-302-6872, 4130-01-459-3643. Verify interchangeability with system specifications before substitution.
Key specifications for 7024268002: Length: 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN; Terminal Diameter: 0.237 INCHES MINIMUM AND 0.257 INCHES MAXIMUM IN; Largest Outside Diameter: 0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN; Body Style: RECTANGULAR COMMUTATOR. 20 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.