The Indicator,electrical Tachometer, cataloged under National Stock Number 6680-00-663-4206, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Elbitamerica, Inc.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-00-663-4206 |
| Primary Part Number | 1559B4-05 |
| Item Name | Indicator,electrical Tachometer |
| FSC / FSG | 6680 / 66 — No Item Name Available |
| Manufacturer | Elbitamerica, Inc. |
| Status | ACTIVE |
| Width | 2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN |
| Height | 2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN |
| Presentation Type | SYNCHRO MOTORSYNCHRO MOTOR |
| Contact Quantity | 33 |
| Mounting Stud Diameter | 0.170 INCHES NOMINAL0.170 INCHES NOMINAL IN |
| Scale Marking Transparency | LUMINOUSLUMINOUS |
| Scale Marking | MAJOR GRADUATION AND MAJOR GRADUATION AND MINOR GRADUATIONMINOR GRADUATION |
| Depth | 4.922 INCHES NOMINAL4.922 INCHES NOMINAL IN |
| Pointer Finish | LUMINOUS SINGLE POINTERLUMINOUS SINGLE POINTER |
| Electrical Connection Identifying Number | DESIGN NO. AND10066D-10SL-3PDESIGN NO. AND10066D-10SL-3P |
| Current Type | ACAC |
| Electrical Connection Quantity | 11 |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S)4 UNTHREADED HOLE(S) |
| Contact Type | PINPIN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 6680-00-663-4206 is a Indicator,electrical Tachometer, manufactured by Elbitamerica, Inc., classified under FSC 6680 (No Item Name Available). Status: active.
NSN 6680-00-663-4206 has 2 cross-referenced part numbers: 1559B4-05 (Elbitamerica, Inc.), MS28000-1 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).
There are 4 known substitutes for 6680-00-663-4206: 6620-00-515-4541, 6620-00-663-4207, 6680-00-663-4209 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1559B4-05: Width: 2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN; Height: 2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN; Presentation Type: SYNCHRO MOTORSYNCHRO MOTOR; Contact Quantity: 33. 14 total characteristics are documented in the Federal Logistics Information System.