The Switch,beam Selecting,headlight, cataloged under National Stock Number 2590-00-578-2028, is classified within Federal Supply Class 2590 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Cole Hersee Company. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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 | 2590-00-578-2028 |
| Primary Part Number | 7770 |
| Item Name | Switch,beam Selecting,headlight |
| FSC / FSG | 2590 / 25 — No Item Name Available |
| Manufacturer | Cole Hersee Company |
| Status | CANCELLED |
| Nominal Thread Size | 0.216 INCHES IN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.750 INCHES NOMINAL IN |
| Body Length | 1.312 INCHES NOMINAL IN |
| Maximum Voltage Rating in Volts | 15.0 DC |
| Actuator Diameter | 0.875 INCHES NOMINAL IN |
| Terminal Type and Quantity | 3 QUICK DISCONNECT, FEMALE |
| Body Height | 1.500 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT |
| Actuator Height | 1.620 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Hazardous Locations/environmental Protection | DUSTPROOF |
| Thread Quantity Per Inch | 24 |
| Actuator Style | ROUND |
| Body Style | HOLE MOUNTED |
| Body Width | 1.375 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 2590-00-578-2028 is a Switch,beam Selecting,headlight, manufactured by Cole Hersee Company, classified under FSC 2590 (No Item Name Available). Status: cancelled.
NSN 2590-00-578-2028 has 2 cross-referenced part numbers: 7768 (Cole Hersee Company), 7770 (Cole Hersee Company).
There are 12 known substitutes for 2590-00-578-2028: 5960-00-050-9200, 3439-00-153-9838, 6750-00-208-8080 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 7770: Nominal Thread Size: 0.216 INCHES IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.750 INCHES NOMINAL IN; Body Length: 1.312 INCHES NOMINAL IN; Maximum Voltage Rating in Volts: 15.0 DC. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 2590-00-578-2028 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.