The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-245-4696, 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 Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled. Government technical data includes 16 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-245-4696 |
| Primary Part Number | 6742 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — No Item Name Available |
| Manufacturer | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled |
| Status | ACTIVE |
| Circuit Resonance | SERIES RESONANCE |
| Body Width | 0.725 INCHES MAXIMUM IN |
| Material | GLASS COVER HOLDER |
| Shunt Capacitance in Picofarads | 15.0 NOMINAL |
| Operating Temp Range | -0.1 TO 50.0 CELSIUS DEGC |
| Style Designator | OVAL BODY, PIN TERMINALS |
| Equivalent Resistance Value in Ohms | 25000.0 MINIMUM AND 38000.0 MAXIMUM |
| Center to Center Distance Between Terminals | 0.486 INCHES NOMINAL IN |
| Drive Level Rating | 10.0 MICROWATTS MAXIMUM |
| Overall Thickness | 0.352 INCHES MAXIMUM IN |
| Terminal Diameter | 0.030 INCHES NOMINAL IN |
| Body Thickness | 0.317 INCHES MAXIMUM IN |
| Specified Frequency | 3556.000 HERTZ |
| Frequency Tolerance for Operating Temp in Percent | -0.005 TO 0.005 AND -0.0010 TO 0.0010 |
| Mode of Oscillation | FUNDAMENTAL |
| Terminal Length | 1.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 77C706673P012 | Lockheed Martin Corporation Div Rms (USA) |
| 6742 PRIMARY | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
NSN 5955-01-245-4696 is a Crystal Unit,quartz, manufactured by Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled, classified under FSC 5955 (No Item Name Available). Status: active.
NSN 5955-01-245-4696 has 2 cross-referenced part numbers: 77C706673P012 (Lockheed Martin Corporation Div Rms), 6742 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled).
There are 5 known substitutes for 5955-01-245-4696: 1660-00-333-5333, 4920-01-068-9018, 6640-01-116-1036 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 6742: Circuit Resonance: SERIES RESONANCE; Body Width: 0.725 INCHES MAXIMUM IN; Material: GLASS COVER HOLDER; Shunt Capacitance in Picofarads: 15.0 NOMINAL. 19 total characteristics are documented in the Federal Logistics Information System.