The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-447-9536, 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 Cts Reeves Frequency Products. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, 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 | 5955-00-447-9536 |
| Primary Part Number | RH290-4490-00 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — No Item Name Available |
| Manufacturer | Cts Reeves Frequency Products |
| Status | ACTIVE |
| Material | GLASS COVER HOLDER |
| Body Thickness | 0.150 INCHES MAXIMUM IN |
| Body Width | 0.402 INCHES MAXIMUM IN |
| Controlled Reference Temp | 30.0 CELSIUS DEGC |
| Frequency Tolerance at Reference Temp in Percent | -0.0015 TO 0.0015 |
| Frequency Tolerance for Operating Temp in Percent | -0.005 TO 0.005 AND -0.0010 TO 0.0010 |
| Drive Level Rating | 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM |
| Center to Center Distance Between Terminals | 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Equivalent Resistance Value in Ohms | 40.0 MAXIMUM |
| Mode of Oscillation | THIRD OVERTONE AND FIFTH OVERTONE |
| Specified Frequency | 23.100 MEGAHERTZ |
| Frequency Stability in Percent | -0.005 TO 0.005 |
| Shunt Capacitance in Picofarads | 4.0 MAXIMUM |
| Circuit Resonance | SERIES RESONANCE |
| Specification/standard Data | 81349-MIL-C-3098/87 GOVERNMENT SPECIFICATION |
| Test Data Document | 81349-MIL-C-3098/38 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Overall Thickness | 0.183 INCHES MAXIMUM IN |
| Terminal Length | 0.5003 INCHES MINIMUM IN |
| Operating Temp Range | -55.0 TO 105.0 CELSIUS AND -55.0 TO 125.0 CELSIUS DEGC |
| Style Designator | RECTANGULAR BODY, PIN TERMINALS |
| Operable Temp Range | -55.0 TO 105.0 CELSIUS DEGC |
| Terminal Diameter | 0.015 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| RH290-4490-00 | Cts Reeves Frequency Products (USA) |
| CR111/U23M10000 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-PRF-3098/87 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 290-4490-00 | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| 290-4490-00 | Inficon Edc Inc. (USA) |
| 290-4490-00 | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| S290-4490-00 | Trw Electronics and Defense Sector Rf Devices (USA) |
| ER290-4490-00 | Electronic Research Company (USA) |
NSN 5955-00-447-9536 is a Crystal Unit,quartz, manufactured by Cts Reeves Frequency Products, classified under FSC 5955 (No Item Name Available). Status: active.
NSN 5955-00-447-9536 has 8 cross-referenced part numbers: RH290-4490-00 (Cts Reeves Frequency Products), CR111/U23M10000 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-3098/87 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 290-4490-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 290-4490-00 (Inficon Edc Inc.) and 3 more.
There is 1 known substitute for 5955-00-447-9536: 5905-00-117-4294. Verify interchangeability with system specifications before substitution.
Key specifications for RH290-4490-00: Material: GLASS COVER HOLDER; Body Thickness: 0.150 INCHES MAXIMUM IN; Body Width: 0.402 INCHES MAXIMUM IN; Controlled Reference Temp: 30.0 CELSIUS DEGC. 24 total characteristics are documented in the Federal Logistics Information System.