The Brush,electrical Contact, cataloged under National Stock Number 5977-00-295-7221, 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 General Motors Corp. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5977-00-295-7221 |
| Primary Part Number | 5581279 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Length | 0.312 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Radius | 0.016 INCHES NOMINAL IN |
| Top Style | FLAT |
| Style Designator | ONE PIECE |
| Material Document and Classification | SPEER CARBON CO,GRADE 4021 MFR REF SINGLE MATERIAL RESPONSE |
| Contact Face Style | CONCAVE |
| Width | 0.185 INCHES NOMINAL IN |
| Material | CARBON |
| Thickness | 0.163 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 |
| Part Number | Manufacturer |
|---|---|
| 5581279 | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| 5581279 | 3/9 Design control — primary reference General Motors Llc Dba General Motors |
| 5581279 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
NSN 5977-00-295-7221 is a Brush,electrical Contact, manufactured by General Motors Corp, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-295-7221 has 1 manufacturer part number on file: 5581279 (General Motors Corp).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-205-2988. Verify interchangeability with system specifications before substitution.
Key specifications for 5581279: Length: 0.312 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR; Radius: 0.016 INCHES NOMINAL IN; Top Style: FLAT. 10 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.