The Holder Assembly,electrical Conta, cataloged under National Stock Number 5977-01-130-2231, 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 Timken Gears & Services Inc. Div Philadelphia Gear. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-01-130-2231 |
| Primary Part Number | 728C634-001 |
| Item Name | Holder Assembly,electrical Conta |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Timken Gears & Services Inc. Div Philadelphia Gear |
| Status | ACTIVE |
| Brush Spring Adjustability | ADJUSTABLE |
| Holder Quantity Per Assembly | 5 |
| Brush Quantity Accommodated Per Holder | 1 |
| Features Provided | BRUSH PRESSURE SPRING |
| Brush Pressure Spring Type Accommodated | HELICAL TORSION |
| Total Brush Quantity Accommodated | 5 |
| 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 |
|---|---|
| 7551E73 PIECE 64 | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| 728C634-001 PRIMARY | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| Reference | Meaning |
|---|---|
| 728C634-001 | 5/9 Secondary reference General Electric Company |
| 727C369-001 | 5/9 Secondary reference General Electric Company |
| 7551E73 PIECE 64 | 5/9 Secondary reference General Electric Company |
NSN 5977-01-130-2231 is a Holder Assembly,electrical Conta, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-01-130-2231 has 2 manufacturer part numbers on file: 7551E73 PIECE 64 (Timken Gears & Services Inc. Div Philadelphia Gear), 728C634-001 (Timken Gears & Services Inc. Div Philadelphia Gear).
Key specifications for 728C634-001: Brush Spring Adjustability: ADJUSTABLE; Holder Quantity Per Assembly: 5; Brush Quantity Accommodated Per Holder: 1; Features Provided: BRUSH PRESSURE SPRING. 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.