The Brush,electrical Contact, cataloged under National Stock Number 5977-00-056-2126, 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 Westinghouse Electric Corp. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5977-00-056-2126 |
| Primary Part Number | 439A866G08 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — No Item Name Available |
| Manufacturer | Westinghouse Electric Corp |
| Status | CANCELLED |
| Width | 0.521 INCHES NOMINAL IN |
| Top Style | FLAT WITH RIGHT EDGE BEVELED |
| Brush Shunt Length | 3.375 INCHES NOMINAL SINGLE SHUNT IN |
| Bevel Depth | 0.090 INCHES NOMINAL IN |
| Terminal Type and Quantity | 1 TUBULAR W/SLOT |
| Style Designator | ONE PIECE |
| Material Document and Classification | CARBONE CARBON GRADE AC121 MFR REF SINGLE MATERIAL RESPONSE |
| Material | CARBON |
| Terminal Slot Width | 0.156 INCHES NOMINAL IN |
| Bevel Length | 0.125 INCHES NOMINAL IN |
| Length | 1.217 INCHES NOMINAL IN |
| Body Style | RECTANGULAR |
| Contact Face Style | CONCAVE |
| Shunt Position Designator | 8 |
| Thickness | 0.374 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 439A866G08 PRIMARY | Westinghouse Electric Corp (USA) |
| S439A866G08 | Westinghouse Electric Corp (USA) |
| 60022 | Stewart & Stevenson Power Products Llc (USA) |
| 6214900 | Mersen Canada Dn Ltd (CAN) |
| 439A866G08 | Westinghouse Electric Corp Medium AC Motor and Gearing Div (USA) |
NSN 5977-00-056-2126 is a Brush,electrical Contact, manufactured by Westinghouse Electric Corp, classified under FSC 5977 (No Item Name Available). Status: cancelled.
NSN 5977-00-056-2126 has 5 cross-referenced part numbers: 439A866G08 (Westinghouse Electric Corp), S439A866G08 (Westinghouse Electric Corp), 60022 (Stewart & Stevenson Power Products Llc), 6214900 (Mersen Canada Dn Ltd), 439A866G08 (Westinghouse Electric Corp Medium AC Motor and Gearing Div).
There are 12 known substitutes for 5977-00-056-2126: 5985-00-009-6720, 5110-00-299-8405, 3120-00-652-8940 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 439A866G08: Width: 0.521 INCHES NOMINAL IN; Top Style: FLAT WITH RIGHT EDGE BEVELED; Brush Shunt Length: 3.375 INCHES NOMINAL SINGLE SHUNT IN; Bevel Depth: 0.090 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 5977-00-056-2126 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.