The Contact,electrical, cataloged under National Stock Number 5999-00-257-5748, is classified within Federal Supply Class 5999 (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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-00-257-5748 |
| Primary Part Number | 972739 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — No Item Name Available |
| Manufacturer | Westinghouse Electric Corp |
| Status | CANCELLED |
| Current Rating in Amps | 50.0 |
| Material | COPPER CONTACT |
| Mounting Method | UNTHREADED HOLE(S) |
| Distance Between Mounting Facility Centers | 1.094 INCHES NOMINAL IN |
| Mounting Facility Quantity | 2 |
| Unthreaded Mounting Hole Diameter | 0.188 INCHES NOMINAL IN |
| Voltage Rating in Volts | 230.0 AC |
| Current Rating in Amps | 50.0 |
| Material | COPPER CONTACT |
| Mounting Method | UNTHREADED HOLE(S) |
| Distance Between Mounting Facility Centers | 1.094 INCHES NOMINAL IN |
| Mounting Facility Quantity | 2 |
| Unthreaded Mounting Hole Diameter | 0.188 INCHES NOMINAL IN |
| Voltage Rating in Volts | 230.0 AC |
| Acquisition Status | CANCELLED |
| Successor | 6145-00-643-0640 |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Unit of Issue | EA |
| SMR Code | Y |
| Weight | 0.0100 lbs |
| Cube | 0.0004 cu ft |
| Part Number | Manufacturer |
|---|---|
| 972739 | Westinghouse Electric Corp Power Generation-Generator Div (USA) |
| 1879 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 972739 PRIMARY | Westinghouse Electric Corp (USA) |
| 20A22 | Entron Industries Limited Partnership Dba Entron Industries Property Div (USA) |
NSN 5999-00-257-5748 is a Contact,electrical, manufactured by Westinghouse Electric Corp, classified under FSC 5999 (No Item Name Available). Status: cancelled.
NSN 5999-00-257-5748 has 4 cross-referenced part numbers: 972739 (Westinghouse Electric Corp Power Generation-Generator Div), 1879 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 972739 (Westinghouse Electric Corp), 20A22 (Entron Industries Limited Partnership Dba Entron Industries Property Div).
There are 7 known substitutes for 5999-00-257-5748: 6145-00-643-0640, 5955-00-392-3656, 6250-00-804-3563 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 972739: Overall Width: 0.438 INCHES NOMINAL IN; Current Rating in Amps: 50.0; Material: COPPER CONTACT; Mounting Method: UNTHREADED HOLE(S). 20 total characteristics are documented in the Federal Logistics Information System.
NSN 5999-00-257-5748 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.