The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-372-8093, 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 Keithley Instruments, Llc. Government technical data includes 12 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-372-8093 |
| Primary Part Number | CR-21 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — No Item Name Available |
| Manufacturer | Keithley Instruments, Llc |
| Status | ACTIVE |
| Style Designator | OVAL BODY, WIRE LEADS W/HOLD DOWN WIRE |
| Equivalent Resistance Value in Ohms | 250.0 MAXIMUM |
| Center to Center Distance Between Terminals | 0.192 INCHES NOMINAL IN |
| Terminal Diameter | 0.017 INCHES NOMINAL IN |
| Body Width | 0.402 INCHES NOMINAL IN |
| Specified Frequency | 3.2768 MEGAHERTZ |
| Operating Temp Range | -20.0 TO 70.0 CELSIUS DEGC |
| Mode of Oscillation | FUNDAMENTAL |
| Terminal Length | 0.500 INCHES MINIMUM IN |
| Body Thickness | 0.150 INCHES NOMINAL IN |
| Overall Thickness | 0.183 INCHES MAXIMUM IN |
| Circuit Resonance | SERIES RESONANCE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| CR-21 | Keithley Instruments, Llc (USA) |
NSN 5955-01-372-8093 is a Crystal Unit,quartz, manufactured by Keithley Instruments, Llc, classified under FSC 5955 (No Item Name Available). Status: active.
NSN 5955-01-372-8093 has 1 cross-referenced part number: CR-21 (Keithley Instruments, Llc).
There is 1 known substitute for 5955-01-372-8093: 5961-01-103-5607. Verify interchangeability with system specifications before substitution.
Key specifications for CR-21: Style Designator: OVAL BODY, WIRE LEADS W/HOLD DOWN WIRE; Overall Length: 0.530 INCHES MAXIMUM IN; Equivalent Resistance Value in Ohms: 250.0 MAXIMUM; Center to Center Distance Between Terminals: 0.192 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.