The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-421-4201, 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 Carter Motor Co. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-421-4201 |
| Primary Part Number | 26-168 |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — No Item Name Available |
| Manufacturer | Carter Motor Co |
| Status | ACTIVE |
| Overall Diameter | 1.125 INCHES NOMINAL IN |
| Style Designator | ROUND OFFSET |
| Brush Quantity Accommodated Per Holder | 1 |
| Thread Length | 0.250 INCHES NOMINAL IN |
| Brush Pressure Spring Type Accommodated | HELICAL COMPRESSION |
| Mounting Facility | PRESS FIT |
| Inside Width | 0.375 INCHES NOMINAL IN |
| Terminal Quantity | 1 |
| Top Thread Location | EXTERNAL |
| Inside Thickness | 0.750 INCHES NOMINAL IN |
| Inside Length | 1.625 INCHES NOMINAL IN |
| Thread Size and Series/type Designator | 0.937-27 UNIFIED NATIONAL COARSE (UNC) |
| Mounting Facility Quantity | 1 |
| Brush Spring Adjustability | NONADJUSTABLE |
| Terminal Type | TAB |
| Material | COPPER ALLOY BOX |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5977-00-421-4201 is a Holder,electrical Contact Brush, manufactured by Carter Motor Co, classified under FSC 5977 (No Item Name Available). Status: active.
NSN 5977-00-421-4201 has 2 cross-referenced part numbers: 26-168 (Carter Motor Co), R26-168 (Carter Motor Co).
There are 4 known substitutes for 5977-00-421-4201: 4820-00-118-7528, 4110-01-125-9627, 2530-01-545-6785 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 26-168: Overall Diameter: 1.125 INCHES NOMINAL IN; Style Designator: ROUND OFFSET; Brush Quantity Accommodated Per Holder: 1; Thread Length: 0.250 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.