The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-01-104-7249, 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 Kollmorgen Corp. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-01-104-7249 |
| Primary Part Number | A-18883 |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Kollmorgen Corp |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 |
| Inside Width | 0.313 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN |
| Inside Length | 1.440 INCHES NOMINAL IN |
| Overall Diameter | 0.750 INCHES NOMINAL IN |
| Precious Material | SILVER |
| Top Thread Location | INTERNAL |
| Thread Length | 0.310 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Precious Material and Weight | 0.040 SILVER GRAINS, TROY |
| Brush Quantity Accommodated Per Holder | 1 |
| Mounting Facility | PRESS FIT |
| Surface Treatment | SILVER LOCATION NOT OTHERWISE SPECIFIED |
| Precious Material and Location | BOX SILVER |
| Inside Thickness | 0.251 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| Material | COPPER ALLOY AND PLASTIC POLYTETRAFLUOROETHYLENE BOX |
| Thread Size and Series/type Designator | 0.438-24 UNS |
| 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 |
|---|---|
| A-18883 PRIMARY | Kollmorgen Corp (USA) |
NSN 5977-01-104-7249 is a Holder,electrical Contact Brush, manufactured by Kollmorgen Corp, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-01-104-7249 has 1 manufacturer part number on file: A-18883 (Kollmorgen Corp).
Key specifications for A-18883: Mounting Facility Quantity: 1; Inside Width: 0.313 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN; Inside Length: 1.440 INCHES NOMINAL IN; Overall Diameter: 0.750 INCHES NOMINAL IN. 16 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.