The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-667-4209, is classified within Federal Supply Class 5955 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Precision Crystal Laboratories. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-00-667-4209 |
| Primary Part Number | A10690 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — No Item Name Available |
| Manufacturer | Precision Crystal Laboratories |
| Status | ACTIVE |
| Center to Center Distance Between Terminals | 0.484 INCHES NOMINAL IN |
| Operating Temp Range | -55.0 TO 90.0 CELSIUS DEGC |
| Specified Frequency | 15.000 MEGAHERTZ |
| Terminal Length | 0.188 INCHES NOMINAL IN |
| Terminal Diameter | 0.050 INCHES NOMINAL IN |
| Body Length | 0.766 INCHES NOMINAL IN |
| Body Width | 0.750 INCHES NOMINAL IN |
| Mode of Oscillation | FUNDAMENTAL |
| Frequency Tolerance for Operating Temp in Percent | -0.010 TO 0.010 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A10690 | Precision Crystal Laboratories (USA) |
NSN 5955-00-667-4209 is a Crystal Unit,quartz, manufactured by Precision Crystal Laboratories, classified under FSC 5955 (No Item Name Available). Status: active.
NSN 5955-00-667-4209 has 1 cross-referenced part number: A10690 (Precision Crystal Laboratories).
There are 3 known substitutes for 5955-00-667-4209: 5315-00-034-8030, 3110-00-271-0384, 5935-01-340-3516. Verify interchangeability with system specifications before substitution.
Key specifications for A10690: Center to Center Distance Between Terminals: 0.484 INCHES NOMINAL IN; Operating Temp Range: -55.0 TO 90.0 CELSIUS DEGC; Specified Frequency: 15.000 MEGAHERTZ; Terminal Length: 0.188 INCHES NOMINAL IN. 10 total characteristics are documented in the Federal Logistics Information System.