The Brush,electrical Contact, cataloged under National Stock Number 5977-00-295-7137, 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 Dumore Corporation. Government technical data includes 11 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. 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 | 5977-00-295-7137 |
| Primary Part Number | R455-0305 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Dumore Corporation |
| Status | ACTIVE |
| Length | 0.531 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Top Style | CYLINDRICAL HEAD |
| Style Designator | ONE PIECE |
| Material Document and Classification | PURE CARBON CO INC,GRADE G32 MFR REF SINGLE MATERIAL RESPONSE |
| Head Length | 0.063 INCHES NOMINAL IN |
| Contact Face Style | FLAT |
| Width | 0.187 INCHES NOMINAL IN |
| Material | CARBON |
| Thickness | 0.187 INCHES NOMINAL IN |
| Head Diameter | 0.156 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 |
|---|---|
| R455-0305 PRIMARY | Dumore Corporation (USA) |
NSN 5977-00-295-7137 is a Brush,electrical Contact, manufactured by Dumore Corporation, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-295-7137 has 1 manufacturer part number on file: R455-0305 (Dumore Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5977-00-754-8391. Verify interchangeability with system specifications before substitution.
Key specifications for R455-0305: Length: 0.531 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR; Top Style: CYLINDRICAL HEAD; Style Designator: ONE PIECE. 11 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.