The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-168-7402, 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 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-00-168-7402 |
| Primary Part Number | SM-A-618690-915 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — No Item Name Available |
| Manufacturer | Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir |
| Status | ACTIVE |
| Operating Temp Range | -40.0 TO 105.0 CELSIUS DEGC |
| Body Length | 0.530 INCHES NOMINAL IN |
| Body Width | 0.402 INCHES NOMINAL IN |
| Shunt Capacitance in Picofarads | 7.0 NOMINAL |
| Specified Frequency | 91.550 MEGAHERTZ |
| Mode of Oscillation | FIFTH OVERTONE |
| Frequency Tolerance for Operating Temp in Percent | -0.002 TO 0.002 AND -0.003 TO 0.003 |
| Drive Level Rating | 2.0 MILLIWATTS NOMINAL |
| Equivalent Resistance Value in Ohms | 60.0 NOMINAL |
| Style Designator | OVAL BODY, PIN TERMINALS |
| Terminal Diameter | 0.040 INCHES NOMINAL IN |
| Overall Thickness | 0.183 INCHES NOMINAL IN |
| Terminal Length | 0.238 INCHES NOMINAL IN |
| Circuit Resonance | SERIES RESONANCE |
| Center to Center Distance Between Terminals | 0.192 INCHES NOMINAL IN |
| Body Thickness | 0.150 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| H3 | Cts Inc (USA) |
| SM-A-618690-915 | General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems (USA) |
| CA5-540 | Wenzel International Inc Div Croven Crystals (CAN) |
| SM-A-618690-915 | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| SM-A-618690-915 PRIMARY | Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA) |
| SM-A-618690-915 | Cts Inc (USA) |
| SM-A-618690-915 | Wenzel International Inc Div Croven Crystals (CAN) |
NSN 5955-00-168-7402 is a Crystal Unit,quartz, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5955 (No Item Name Available). Status: active.
NSN 5955-00-168-7402 has 7 cross-referenced part numbers: H3 (Cts Inc), SM-A-618690-915 (General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems), CA5-540 (Wenzel International Inc Div Croven Crystals), SM-A-618690-915 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), SM-A-618690-915 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir) and 2 more.
There are 12 known substitutes for 5955-00-168-7402: 3439-00-064-0601, 7520-00-205-2737, 3895-00-234-2545 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for SM-A-618690-915: Operating Temp Range: -40.0 TO 105.0 CELSIUS DEGC; Overall Length: 0.768 INCHES NOMINAL IN; Body Length: 0.530 INCHES NOMINAL IN; Body Width: 0.402 INCHES NOMINAL IN. 18 total characteristics are documented in the Federal Logistics Information System.