The Brush,electrical Contact, cataloged under National Stock Number 5977-01-446-4982, 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 Kollmorgen Corp. Government technical data includes 6 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 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 | 5977-01-446-4982 |
| Primary Part Number | 42303 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Kollmorgen Corp |
| Status | ACTIVE |
| Length | 0.380 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Style Designator | ONE PIECE |
| Material Document and Classification | KIRKWOOD GRADE FQ MFR REF SINGLE MATERIAL RESPONSE |
| Width | 0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Thickness | 0.248 INCHES MINIMUM AND 0.250 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 |
|---|---|
| 42303 PRIMARY | Kollmorgen Corp (USA) |
NSN 5977-01-446-4982 is a Brush,electrical Contact, manufactured by Kollmorgen Corp, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-01-446-4982 has 1 manufacturer part number on file: 42303 (Kollmorgen Corp).
2 possible matches (shared part number, not a government interchangeability claim): 6110-01-600-7305, 5315-01-633-4958. Verify interchangeability with system specifications before substitution.
Key specifications for 42303: Length: 0.380 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR; Style Designator: ONE PIECE; Material Document and Classification: KIRKWOOD GRADE FQ MFR REF SINGLE MATERIAL RESPONSE. 6 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.