The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-548-7391, 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 Dynalec Corporation. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5977-00-548-7391 |
| Primary Part Number | 2D110 |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Dynalec Corporation |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 |
| Inside Length | 1.750 INCHES NOMINAL IN |
| Overall Diameter | 0.500 INCHES NOMINAL IN |
| Top Thread Location | INTERNAL |
| Thread Length | 0.375 INCHES NOMINAL IN |
| Brush Quantity Accommodated Per Holder | 1 |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Mounting Facility | PRESS FIT |
| Material | COPPER ALLOY BOX |
| Thread Size and Series/type Designator | 0.190-24 UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 2D110 PRIMARY | Dynalec Corporation (USA) |
| DL13200-1PC110 | Dynalec Corporation (USA) |
| Reference | Meaning |
|---|---|
| 2D110 | 5/9 Secondary reference The Electric Tachometer Corp. |
| DL13200-1PC110 | 5/9 Secondary reference The Electric Tachometer Corp. |
| S6505-3100269PC110 | 5/9 Secondary reference U.S. Government activity |
NSN 5977-00-548-7391 is a Holder,electrical Contact Brush, manufactured by Dynalec Corporation, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-548-7391 has 2 manufacturer part numbers on file: 2D110 (Dynalec Corporation), DL13200-1PC110 (Dynalec Corporation).
Key specifications for 2D110: Mounting Facility Quantity: 1; Inside Length: 1.750 INCHES NOMINAL IN; Overall Diameter: 0.500 INCHES NOMINAL IN; Top Thread Location: INTERNAL. 10 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.