The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-548-1421, 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 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-00-548-1421 |
| Primary Part Number | SM-A-618690-090 |
| 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 |
| Specified Frequency | 90.000 MEGAHERTZ |
| Mode of Oscillation | FIFTH OVERTONE AND THIRD OVERTONE |
| Body Width | 0.402 INCHES MAXIMUM IN |
| Center to Center Distance Between Terminals | 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Frequency Tolerance for Operating Temp in Percent | -0.002 TO 0.002 AND -0.003 TO 0.003 |
| Overall Thickness | 0.183 INCHES MAXIMUM IN |
| Equivalent Resistance Value in Ohms | 80.0 MAXIMUM |
| Shunt Capacitance in Picofarads | 4.0 MINIMUM AND 6.0 MAXIMUM |
| Body Thickness | 0.150 INCHES MAXIMUM IN |
| Style Designator | RECTANGULAR BODY, GULL WING |
| Terminal Length | 1.500 INCHES MINIMUM IN |
| Material | GLASS COVER HOLDER |
| Terminal Diameter | 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN |
| Circuit Resonance | SERIES RESONANCE |
| Operating Temp Range | -55.0 TO 85.0 CELSIUS DEGC |
| Drive Level Rating | 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| H3W | Cts Inc (USA) |
| CA5-524 | Wenzel International Inc Div Croven Crystals (CAN) |
| SM-A-618690-090 | Cts Inc (USA) |
| SM-A-618690-090 | General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems (USA) |
| SM-A-618690-090 PRIMARY | Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA) |
NSN 5955-00-548-1421 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 5955-00-548-1421 has 5 cross-referenced part numbers: H3W (Cts Inc), CA5-524 (Wenzel International Inc Div Croven Crystals), SM-A-618690-090 (Cts Inc), SM-A-618690-090 (General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems), SM-A-618690-090 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).
There are 6 known substitutes for 5955-00-548-1421: 5955-00-087-5035, 5955-00-548-1400, 5955-00-548-1403 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for SM-A-618690-090: Specified Frequency: 90.000 MEGAHERTZ; Mode of Oscillation: FIFTH OVERTONE AND THIRD OVERTONE; Body Width: 0.402 INCHES MAXIMUM IN; Center to Center Distance Between Terminals: 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN. 18 total characteristics are documented in the Federal Logistics Information System.