The Brush,electrical Contact, cataloged under National Stock Number 5977-00-386-0904, 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 Dyna Corp. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-386-0904 |
| Primary Part Number | A4833 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — No Item Name Available |
| Manufacturer | Dyna Corp |
| Status | ACTIVE |
| Shunt Position Designator | 2 |
| Brush Shunt Length | 3.500 INCHES NOMINAL SINGLE SHUNT IN |
| Terminal Type and Quantity | 1 STRAIGHT W/HOLE |
| Radius | 2.000 INCHES NOMINAL IN |
| Thickness | 0.438 INCHES NOMINAL IN |
| Contact Face Style | CONCAVE |
| Terminal Hole Diameter | 0.188 INCHES NOMINAL IN |
| Style Designator | ONE PIECE |
| Body Style | RECTANGULAR COMMUTATOR |
| Material Document and Classification | STACKPOLE CARBON CO,GR +48B MFR REF SINGLE MATERIAL RESPONSE |
| Top Style | FLAT |
| Width | 1.000 INCHES NOMINAL IN |
| Shunt Insulation Provision and Quantity | 1 INSULATED |
| Length | 1.250 INCHES NOMINAL IN |
| Material | ELECTROGRAPHITIC |
| Criticality Code Justification | MATT AND MDCL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A4833 | Dyna Corp (USA) |
| 9049 | Dyna Corp (USA) |
| MILB3743 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| ANSI/NEMA PUB NO. CB1 | National Electrical Mfrs Assn (USA) |
NSN 5977-00-386-0904 is a Brush,electrical Contact, manufactured by Dyna Corp, classified under FSC 5977 (No Item Name Available). Status: active.
NSN 5977-00-386-0904 has 4 cross-referenced part numbers: A4833 (Dyna Corp), 9049 (Dyna Corp), MILB3743 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ANSI/NEMA PUB NO. CB1 (National Electrical Mfrs Assn).
There are 12 known substitutes for 5977-00-386-0904: 5950-00-014-6483, 5935-00-078-1656, 2810-00-118-7202 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for A4833: Shunt Position Designator: 2; Brush Shunt Length: 3.500 INCHES NOMINAL SINGLE SHUNT IN; Terminal Type and Quantity: 1 STRAIGHT W/HOLE; Radius: 2.000 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.