The Brush,electrical Contact, cataloged under National Stock Number 5977-00-280-4391, 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 National Electrical Mfrs Assn Dba Nema. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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 | 5977-00-280-4391 |
| Primary Part Number | NEMA NO. CB1 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — No Item Name Available |
| Manufacturer | National Electrical Mfrs Assn Dba Nema |
| Status | ACTIVE |
| Terminal Type and Quantity | 1 STRAIGHT W/SLOT |
| Shunt Position Designator | 12 |
| Width | 0.500 INCHES NOMINAL IN |
| Terminal Slot Width | 0.125 INCHES NOMINAL IN |
| Thickness | 0.313 INCHES NOMINAL IN |
| Length | 1.000 INCHES NOMINAL IN |
| Material Document and Classification | NATIONAL GRADE SA25 MFR REF SINGLE MATERIAL RESPONSE |
| Angle | 40.0 DEGREES NOMINAL |
| Style Designator | ONE PIECE |
| Material | ELECTROGRAPHITIC |
| Body Style | RECTANGULAR COMMUTATOR |
| Peripheral Speed | 6000 FEET PER MINUTE FT |
| Radius | 1.250 INCHES NOMINAL IN |
| Brush Shunt Length | 1.625 INCHES NOMINAL SINGLE SHUNT IN |
| Bevel Angle | 30.0 DEGREES NOMINAL |
| Top Style | BEVELED FRONT WITH LEFT SHOULDER |
| Contact Face Style | CONCAVE ON BEVEL |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| NEMA NO. CB1 | National Electrical Mfrs Assn Dba Nema (USA) |
| 18243PC101992 | Eastern Air Devices Inc Dba Ead Motors (USA) |
| I-141 | National Electrical Carbon Products, Inc. Div Electrical (USA) |
| RC10-1606 | National Electrical Carbon Products, Inc. Div Electrical (USA) |
| 63000862 | National Electrical Carbon Products, Inc. Div Electrical (USA) |
| S1101632N5 01 | National Electrical Carbon Products, Inc. Div Electrical (USA) |
NSN 5977-00-280-4391 is a Brush,electrical Contact, manufactured by National Electrical Mfrs Assn Dba Nema, classified under FSC 5977 (No Item Name Available). Status: active.
NSN 5977-00-280-4391 has 6 cross-referenced part numbers: NEMA NO. CB1 (National Electrical Mfrs Assn Dba Nema), 18243PC101992 (Eastern Air Devices Inc Dba Ead Motors), I-141 (National Electrical Carbon Products, Inc. Div Electrical), RC10-1606 (National Electrical Carbon Products, Inc. Div Electrical), 63000862 (National Electrical Carbon Products, Inc. Div Electrical) and 1 more.
There are 12 known substitutes for 5977-00-280-4391: 5977-00-050-1480, 5977-00-230-6021, 5977-00-239-7075 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for NEMA NO. CB1: Terminal Type and Quantity: 1 STRAIGHT W/SLOT; Shunt Position Designator: 12; Width: 0.500 INCHES NOMINAL IN; Terminal Slot Width: 0.125 INCHES NOMINAL IN. 18 total characteristics are documented in the Federal Logistics Information System.