The Brush,electrical Contact, cataloged under National Stock Number 5977-01-699-7960, 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 Helwig Carbon Products Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 — Electrical Contact Brushes and Electrodes (FSG 59) |
| Manufacturers | Helwig Carbon Products Inc (CAGE 28118); Cavanaugh Government Group, Llc (CAGE 5UY76) |
| Parameter | Value |
|---|---|
| NSN | 5977-01-699-7960 |
| Primary Part Number | 30783915164701 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Helwig Carbon Products Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 30783915164701 PRIMARY | Helwig Carbon Products Inc (USA) |
| 30783915164701 | Cavanaugh Government Group, Llc (USA) |
| Reference | Meaning |
|---|---|
| 3108864069ITEMA4 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 310-8864069 | D/9 Drawing number reference only U.S. Government activity |
| 310-8864069-A4 | 5/2 Secondary reference U.S. Government activity |
NSN 5977-01-699-7960 is a Brush,electrical Contact, manufactured by Helwig Carbon Products Inc, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-01-699-7960 has 2 manufacturer part numbers on file: 30783915164701 (Helwig Carbon Products Inc), 30783915164701 (Cavanaugh Government Group, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5977-01-699-7966, 5977-01-699-9312. Verify interchangeability with system specifications before substitution.
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.