The Brush,electrical Contact, cataloged under National Stock Number 5977-00-886-2979, is classified within Federal Supply Class 5977 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Helwig Carbon Products Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-886-2979 |
| Primary Part Number | 28-255011-204-6-02 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — No Item Name Available |
| Manufacturer | Helwig Carbon Products Inc |
| Status | ACTIVE |
| Material | METAL GRAPHITE |
| Width | 0.250 INCHES NOMINAL IN |
| Thickness | 0.500 INCHES NOMINAL IN |
| Style Designator | ONE PIECE |
| Terminal Type and Quantity | 1 STRAIGHT W/SLOT |
| Material Document and Classification | HELWIG CARBON PRODUCTS INC GRADE 697 MFR REF SINGLE MATERIAL RESPONSE |
| Brush Shunt Length | 1.125 INCHES NOMINAL SINGLE SHUNT IN |
| Shunt Insulation Provision and Quantity | 1 INSULATED |
| Terminal Slot Width | 0.188 INCHES NOMINAL IN |
| Top Style | BEVELED FRONT WITH RIGHT EDGE BEVELED |
| Angle | 45.0 DEGREES NOMINAL |
| Contact Face Style | CONCAVE |
| Shunt Position Designator | 1 |
| Length | 1.125 INCHES NOMINAL IN |
| Body Style | RECTANGULAR SLIP RING |
| Radius | 1.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| Y105 | Winpower Inc (USA) |
| Y-105 | Pierce Co Inc the Sub of Avis Industrial Corp (USA) |
| 28-255011-204-6-02 PRIMARY | Helwig Carbon Products Inc (USA) |
NSN 5977-00-886-2979 is a Brush,electrical Contact, manufactured by Helwig Carbon Products Inc, classified under FSC 5977 (No Item Name Available). Status: active.
NSN 5977-00-886-2979 has 3 cross-referenced part numbers: Y105 (Winpower Inc), Y-105 (Pierce Co Inc the Sub of Avis Industrial Corp), 28-255011-204-6-02 (Helwig Carbon Products Inc).
There is 1 known substitute for 5977-00-886-2979: 3020-01-198-7491. Verify interchangeability with system specifications before substitution.
Key specifications for 28-255011-204-6-02: Material: METAL GRAPHITE; Width: 0.250 INCHES NOMINAL IN; Thickness: 0.500 INCHES NOMINAL IN; Style Designator: ONE PIECE. 16 total characteristics are documented in the Federal Logistics Information System.