The Brush,electrical Contact, cataloged under National Stock Number 5977-00-391-0640, 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 St Marys Carbon Co., Inc.. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5977-00-391-0640 |
| Primary Part Number | R59 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — No Item Name Available |
| Manufacturer | St Marys Carbon Co., Inc. |
| Status | CANCELLED |
| Material | GRAPHITE |
| Contact Face Style | CONCAVE ON BEVEL |
| Thickness | 0.317 INCHES NOMINAL IN |
| Terminal Type and Quantity | 1 FLAG W/HOLE |
| Body Style | RECTANGULAR COMMUTATOR |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Brush Shunt Length | 2.000 INCHES NOMINAL SINGLE SHUNT IN |
| Material Document and Classification | DELCO-REMY DIV,GMC,GR -1505 MFR REF SINGLE MATERIAL RESPONSE |
| Terminal Hole Diameter | 0.168 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Style Designator | ONE PIECE |
| Width | 0.880 INCHES NOMINAL IN |
| Bevel Angle | 22.0 DEGREES NOMINAL |
| Radius | 1.500 INCHES NOMINAL IN |
| Angle | 20.0 DEGREES NOMINAL |
| Top Style | BEVELED FRONT |
| Shunt Position Designator | 8 |
| Length | 1.000 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 5977-00-391-0640 is a Brush,electrical Contact, manufactured by St Marys Carbon Co., Inc., classified under FSC 5977 (No Item Name Available). Status: cancelled.
NSN 5977-00-391-0640 has 3 cross-referenced part numbers: R59 (St Marys Carbon Co., Inc.), 1906935 (General Motors Corp), 1906935 (General Motors Corp Delco Remy Div).
There are 6 known substitutes for 5977-00-391-0640: 7510-00-286-5789, 4320-00-343-6593, 6675-00-982-1982 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for R59: Material: GRAPHITE; Contact Face Style: CONCAVE ON BEVEL; Thickness: 0.317 INCHES NOMINAL IN; Terminal Type and Quantity: 1 FLAG W/HOLE. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 5977-00-391-0640 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.