The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-735-4680, 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 Cessna Aircraft Co Arc Avionics Div. Government technical data includes 21 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-00-735-4680 |
| Primary Part Number | 25740 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — No Item Name Available |
| Manufacturer | Cessna Aircraft Co Arc Avionics Div |
| Status | ACTIVE |
| Frequency Stability in Percent | -0.00025 TO 0.00025 |
| Body Width | 1.171 INCHES MAXIMUM IN |
| Frequency Tolerance for Operating Temp in Percent | -0.0025 TO 0.0025 |
| Drive Level Rating | 4.0 MILLIWATTS MINIMUM AND 6.0 MILLIWATTS MAXIMUM |
| Center to Center Distance Between Terminals | 0.750 INCHES NOMINAL IN |
| Style Designator | OVAL BODY, PIN TERMINALS |
| Overall Thickness | 0.594 INCHES MAXIMUM IN |
| Load Capacitance in Picofarads | 8.7 NOMINAL |
| Controlled Reference Temp | 70.0 CELSIUS DEGC |
| Operating Temp Range | +65.0 TO 75.0 CELSIUS DEGC |
| Circuit Resonance | ANTIRESONANCE |
| Operable Temp Range | +65.0 TO 75.0 CELSIUS DEGC |
| Terminal Diameter | 0.185 INCHES NOMINAL IN |
| Terminal Length | 0.625 INCHES NOMINAL IN |
| Specified Frequency | 1.000009 MEGAHERTZ |
| Mode of Oscillation | FUNDAMENTAL |
| Style Designator | OVAL BODY, PIN TERMINALS |
| Frequency Tolerance at Reference Temp in Percent | -0.0025 TO 0.0025 |
| Equivalent Resistance Value in Ohms | 150.0 NOMINAL |
| Body Thickness | 0.562 INCHES MAXIMUM IN |
| Body Length | 1.438 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 25740 | Cessna Aircraft Co Arc Avionics Div (USA) |
NSN 5955-00-735-4680 is a Crystal Unit,quartz, manufactured by Cessna Aircraft Co Arc Avionics Div, classified under FSC 5955 (No Item Name Available). Status: active.
NSN 5955-00-735-4680 has 1 cross-referenced part number: 25740 (Cessna Aircraft Co Arc Avionics Div).
There are 5 known substitutes for 5955-00-735-4680: 4810-00-094-8193, 5999-00-106-7278, 3030-00-585-5756 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 25740: Frequency Stability in Percent: -0.00025 TO 0.00025; Body Width: 1.171 INCHES MAXIMUM IN; Frequency Tolerance for Operating Temp in Percent: -0.0025 TO 0.0025; Drive Level Rating: 4.0 MILLIWATTS MINIMUM AND 6.0 MILLIWATTS MAXIMUM. 23 total characteristics are documented in the Federal Logistics Information System.