The Brush,electrical Contact, cataloged under National Stock Number 5977-00-280-8419, 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 Naval Inventory Control Point Mechanicsburg. Government technical data includes 17 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-280-8419 |
| Primary Part Number | 1H5977-280-8419 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Length | 2.000 INCHES NOMINAL IN |
| Peripheral Speed | 7000 FEET PER MINUTE FT |
| Terminal Diameter | 0.219 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Terminal Length | 0.813 INCHES NOMINAL IN |
| Top Style | FLAT |
| Shunt Position Designator | 6 |
| Style Designator | ONE PIECE |
| Material Document and Classification | NATIONAL GRADE SA3538 MFR REF SINGLE MATERIAL RESPONSE |
| Brush Shunt Length | 4.688 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | BEVELED |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Width | 1.000 INCHES NOMINAL IN |
| Bevel Angle | 15.0 DEGREES NOMINAL |
| Material | ELECTROGRAPHITIC |
| Terminal Type and Quantity | 1 PIN PLUG |
| Thickness | 0.875 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 |
|---|---|
| 1H5977-280-8419 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| ANSI/NEMA PUB NO. CB1 | 5/9 Secondary reference U.S. Government activity |
| PA4959 | 5/9 Secondary reference National Electrical Carbon Products, Inc. Div Electrical |
| SK3687A | 5/9 Secondary reference National Electrical Carbon Products, Inc. Div Electrical |
| 5089004 | 5/9 Secondary reference Ametek Advanced Industries, Inc. |
| RC28-3201 | 5/9 Secondary reference National Electrical Carbon Products, Inc. Div Electrical |
| 61009341 | 3/9 Design control — primary reference National Electrical Carbon Products, Inc. Div Electrical |
NSN 5977-00-280-8419 is a Brush,electrical Contact, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-280-8419 has 1 manufacturer part number on file: 1H5977-280-8419 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 1H5977-280-8419: Length: 2.000 INCHES NOMINAL IN; Peripheral Speed: 7000 FEET PER MINUTE FT; Terminal Diameter: 0.219 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR. 17 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.