The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-630-4507, 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 10 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-630-4507 |
| Primary Part Number | 17939-1 |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — No Item Name Available |
| Manufacturer | Ward Leonard Ct Llc |
| Status | ACTIVE |
| Overall Thickness | 3.188 INCHES NOMINAL IN |
| Brush Quantity Accommodated Per Holder | 2 |
| Brush Spring Adjustability | NONADJUSTABLE |
| Mounting Facility Quantity | 2 |
| Mounting Facility | THREADED HOLES |
| Inside Length | 0.812 INCHES NOMINAL IN |
| Inside Thickness | 0.250 INCHES NOMINAL IN |
| Terminal Type | SCREW |
| Brush Pressure Spring Type Accommodated | SPIRAL TORSION |
| Terminal Quantity | 1 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3329288REVAPC42 | Naval Ship Systems Command (USA) |
| 2650-81PC42 | Electric Boat Corp Dba Electro Dynamic (USA) |
| 17939-1 PRIMARY | Ward Leonard Ct Llc (USA) |
| 2650-81PC42 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 17939-1 | Ward Leonard Ct Llc (USA) |
NSN 5977-00-630-4507 is a Holder,electrical Contact Brush, manufactured by Ward Leonard Ct Llc, classified under FSC 5977 (No Item Name Available). Status: active.
NSN 5977-00-630-4507 has 5 cross-referenced part numbers: 3329288REVAPC42 (Naval Ship Systems Command), 2650-81PC42 (Electric Boat Corp Dba Electro Dynamic), 17939-1 (Ward Leonard Ct Llc), 2650-81PC42 (Electric Boat Corporation Div General Dynamics Electric Boat), 17939-1 (Ward Leonard Ct Llc).
There is 1 known substitute for 5977-00-630-4507: 3110-00-100-3113. Verify interchangeability with system specifications before substitution.
Key specifications for 17939-1: Overall Thickness: 3.188 INCHES NOMINAL IN; Brush Quantity Accommodated Per Holder: 2; Brush Spring Adjustability: NONADJUSTABLE; Mounting Facility Quantity: 2. 12 total characteristics are documented in the Federal Logistics Information System.