The Brush,electrical Contact, cataloged under National Stock Number 5977-00-116-5564, 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. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-116-5564 |
| Primary Part Number | 10-501220-400-1-09 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Helwig Carbon Products Inc |
| Status | ACTIVE |
| Length | 2.000 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Terminal Slot Width | 0.219 INCHES NOMINAL IN |
| Top Style | BEVELED FRONT WITH RIGHT SHOULDER |
| Shunt Position Designator | 10 |
| Style Designator | ONE PIECE |
| Material Document and Classification | HELWIG GRADE H24 MFR REF SINGLE MATERIAL RESPONSE |
| Angle | 30.0 DEGREES NOMINAL |
| Brush Shunt Length | 4.000 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | BEVELED |
| Width | 1.250 INCHES NOMINAL IN |
| Bevel Angle | 30.0 DEGREES NOMINAL |
| Material | ELECTROGRAPHITIC |
| Terminal Type and Quantity | 1 STRAIGHT W/SLOT |
| Thickness | 0.500 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 |
|---|---|
| 10-501220-400-1-09 PRIMARY | Helwig Carbon Products Inc (USA) |
| Reference | Meaning |
|---|---|
| NEMA PUB CB1 | 3/1 Design control — primary reference National Electrical Mfrs Assn Dba Nema |
| SP55346 | 5/2 Secondary reference U.S. Government activity |
| SP55346 | 5/9 Secondary reference U.S. Government activity |
NSN 5977-00-116-5564 is a Brush,electrical Contact, manufactured by Helwig Carbon Products Inc, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-116-5564 has 1 manufacturer part number on file: 10-501220-400-1-09 (Helwig Carbon Products Inc).
Key specifications for 10-501220-400-1-09: Length: 2.000 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR; Terminal Slot Width: 0.219 INCHES NOMINAL IN; Top Style: BEVELED FRONT WITH RIGHT SHOULDER. 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.