The Brush,electrical Contact, cataloged under National Stock Number 5977-00-856-8502, 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 Argo Turboserve Corporation Div Argo Turboserve Corp.. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-856-8502 |
| Primary Part Number | 625A625AB5 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Argo Turboserve Corporation Div Argo Turboserve Corp. |
| Status | ACTIVE |
| Length | 0.938 INCHES NOMINAL IN |
| Terminal Diameter | 0.688 INCHES NOMINAL IN |
| Largest Outside Diameter | 0.531 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Shunt Position Designator | 5 |
| Style Designator | ONE PIECE |
| Material Document and Classification | SGL GRADE 621 MFR REF SINGLE MATERIAL RESPONSE |
| Pressure Spring Type and Quantity | 1 CYLINDRICAL |
| Brush Shunt Length | 3.188 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | FLAT |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Width | 0.688 INCHES NOMINAL IN |
| Material | GRAPHITE |
| Terminal Type and Quantity | 1 ROUND CAP |
| Thickness | 0.125 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 |
|---|---|
| 625A625AB5 PRIMARY | Argo Turboserve Corporation Div Argo Turboserve Corp. (USA) |
| Reference | Meaning |
|---|---|
| 625A625AB5 | 5/9 Secondary reference U.S. Government activity |
| 9174797-005 | 5/9 Secondary reference Us Army Aviation and Missile Command |
NSN 5977-00-856-8502 is a Brush,electrical Contact, manufactured by Argo Turboserve Corporation Div Argo Turboserve Corp., classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-856-8502 has 1 manufacturer part number on file: 625A625AB5 (Argo Turboserve Corporation Div Argo Turboserve Corp.).
Key specifications for 625A625AB5: Length: 0.938 INCHES NOMINAL IN; Terminal Diameter: 0.688 INCHES NOMINAL IN; Largest Outside Diameter: 0.531 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR. 15 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.