The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-387-0773, 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 Ward Leonard Ct Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 2 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 | 5977-00-387-0773 |
| Primary Part Number | 823B4 |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — No Item Name Available |
| Manufacturer | Ward Leonard Ct Llc |
| Status | CANCELLED |
| Brush Spring Adjustability | ADJUSTABLE |
| Mounting Facility Quantity | 2 |
| Brush Pressure Spring Type Accommodated | SPIRAL TORSION |
| Overall Thickness | 2.375 INCHES NOMINAL IN |
| Inside Length | 0.688 INCHES NOMINAL IN |
| Inside Thickness | 0.312 INCHES NOMINAL IN |
| Brush Quantity Accommodated Per Holder | 1 |
| Inside Width | 0.625 INCHES NOMINAL IN |
| Terminal Type | SCREW |
| Mounting Facility | THREADED HOLES |
| Terminal Quantity | 1 |
| Material | ALUMINUM BOX |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 823B1 | Ward Leonard Ct Llc (USA) |
| 823B4 | Ward Leonard Ct Llc (USA) |
| 823B4 PRIMARY | Ward Leonard Ct Llc (USA) |
| 823A | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
| 823B | Ward Leonard Ct Llc (USA) |
| 823B | Ward Leonard Ct Llc (USA) |
| 823B1 | Ward Leonard Ct Llc (USA) |
NSN 5977-00-387-0773 is a Holder,electrical Contact Brush, manufactured by Ward Leonard Ct Llc, classified under FSC 5977 (No Item Name Available). Status: cancelled.
NSN 5977-00-387-0773 has 7 cross-referenced part numbers: 823B1 (Ward Leonard Ct Llc), 823B4 (Ward Leonard Ct Llc), 823B4 (Ward Leonard Ct Llc), 823A (The Dewey Electronics Corporation Div Pitometer Log Division), 823B (Ward Leonard Ct Llc) and 2 more.
There are 6 known substitutes for 5977-00-387-0773: 5960-00-167-7613, 5210-00-195-9531, 5342-00-366-1951 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 823B4: Overall Width: 1.500 INCHES NOMINAL IN; Brush Spring Adjustability: ADJUSTABLE; Mounting Facility Quantity: 2; Brush Pressure Spring Type Accommodated: SPIRAL TORSION. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 5977-00-387-0773 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.