The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-261-7749, 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 L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 18 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5955-01-261-7749 |
| Primary Part Number | 8537694-13 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — No Item Name Available |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-East |
| Status | CANCELLED |
| Body Length | 0.530 INCHES MAXIMUM IN |
| Shunt Capacitance in Picofarads | 5.5 MINIMUM AND 7.5 MAXIMUM |
| Body Thickness | 0.150 INCHES MAXIMUM IN |
| Center to Center Distance Between Terminals | 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Equivalent Resistance Value in Ohms | 20.0 MINIMUM AND 60.0 MAXIMUM |
| Specification/standard Data | 81349-MIL-C-3098/112 GOVERNMENT SPECIFICATION |
| Test Data Document | 81349-MIL-C-3098 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.). |
| Frequency Tolerance for Operating Temp in Percent | -0.006 TO 0.006 |
| Style Designator | OVAL BODY, PIN TERMINALS |
| Drive Level Rating | 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM |
| Operating Temp Range | -55.0 TO 150.0 CELSIUS DEGC |
| Specified Frequency | 106.100 MEGAHERTZ |
| Overall Thickness | 0.183 INCHES MAXIMUM IN |
| Mode of Oscillation | FIFTH OVERTONE |
| Terminal Diameter | 0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN |
| Terminal Length | 0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN |
| Body Width | 0.402 INCHES MAXIMUM IN |
| Circuit Resonance | SERIES RESONANCE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8537694-13 | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| 8537694-13 | S. W. Electronics & Manufacturing Corp. Dba Swemco (USA) |
| 8537694-13 | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| 8537694-13 | Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA) |
| G21-13 | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| MIL-C-3098/112 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| CR133/U106M1000 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5955-01-261-7749 is a Crystal Unit,quartz, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5955 (No Item Name Available). Status: cancelled.
NSN 5955-01-261-7749 has 7 cross-referenced part numbers: 8537694-13 (L3 Technologies, Inc. Div Communication Systems-East), 8537694-13 (S. W. Electronics & Manufacturing Corp. Dba Swemco), 8537694-13 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), 8537694-13 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), G21-13 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled) and 2 more.
There are 8 known substitutes for 5955-01-261-7749: 5955-00-928-1521, 5955-01-179-8636, 5955-01-192-0001 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8537694-13: Body Length: 0.530 INCHES MAXIMUM IN; Shunt Capacitance in Picofarads: 5.5 MINIMUM AND 7.5 MAXIMUM; Body Thickness: 0.150 INCHES MAXIMUM IN; Center to Center Distance Between Terminals: 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 5955-01-261-7749 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.