The Holder Assembly,electrical Conta, cataloged under National Stock Number 5977-01-525-8633, 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 Miller Electric Mfg. Llc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-01-525-8633 |
| Primary Part Number | 493509 |
| Item Name | Holder Assembly,electrical Conta |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Miller Electric Mfg. Llc |
| Status | ACTIVE |
| Supplementary Features | INCLUDES TWO 6-20 X .375 ROUND HD STEEL PLATED, SELF-FORMING - TYPE B SCREWS |
| Brush Quantity Accommodated Per Holder | 2 |
| 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 |
|---|---|
| 493509 PRIMARY | Miller Electric Mfg. Llc (USA) |
| Reference | Meaning |
|---|---|
| 493509 | 3/9 Design control — primary reference Miller Electric Mfg. Co. |
NSN 5977-01-525-8633 is a Holder Assembly,electrical Conta, manufactured by Miller Electric Mfg. Llc, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-01-525-8633 has 1 manufacturer part number on file: 493509 (Miller Electric Mfg. Llc).
Key specifications for 493509: Supplementary Features: INCLUDES TWO 6-20 X .375 ROUND HD STEEL PLATED, SELF-FORMING - TYPE B SCREWS; Brush Quantity Accommodated Per Holder: 2; Special Features: CAGE CALLS THIS: BRUSH HOLDER ASSY, GENERATOR; End Item Identification: WELDER. 2 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.