PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-C-3098/45Crystal Unit,quartz

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5955-00-455-4435 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-00-455-4435 — this item is cataloged by the U.S. Government under National Stock Number 5955-00-455-4435. Primary manufacturer part number: MIL-C-3098/45.
Features
  • Crystal Unit,quartz — FSC 5955
  • Style Designator: RECTANGULAR BODY, GULL WING
  • 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.).
  • Body Width: 0.402 INCHES MAXIMUM IN
  • Material: GLASS COVER HOLDER
  • Frequency Tolerance for Operating Temp in Percent: -0.0025 TO 0.0025 AND -0.0050 TO 0.0050
  • Center to Center Distance Between Terminals: 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
  • Equivalent Resistance Value in Ohms: 40.0 MAXIMUM
Applications
  • Applications requiring Glass Cover Holder construction
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-455-4435, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5955-00-455-4435
Primary Part NumberMIL-C-3098/45
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Style DesignatorRECTANGULAR BODY, GULL WING
Test Data Document81349-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.).
Body Width0.402 INCHES MAXIMUM IN
MaterialGLASS COVER HOLDER
Frequency Tolerance for Operating Temp in Percent-0.0025 TO 0.0025 AND -0.0050 TO 0.0050
Center to Center Distance Between Terminals0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
Equivalent Resistance Value in Ohms40.0 MAXIMUM
Drive Level Rating1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM
Terminal Length0.5003 INCHES MINIMUM IN
Mode of OscillationTHIRD OVERTONE AND FIFTH OVERTONE
Terminal Diameter0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
Circuit ResonanceSERIES RESONANCE
Body Thickness0.150 INCHES MAXIMUM IN
Overall Thickness0.183 INCHES MAXIMUM IN
Operating Temp Range-55.0 TO 105.0 CELSIUS AND -55.0 TO 125.0 CELSIUS DEGC
Specified Frequency19.400 MEGAHERTZ
Shunt Capacitance in Picofarads7.0 MAXIMUM
Specification/standard Data81349-MIL-C-3098/45 GOVERNMENT SPECIFICATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5935-00-204-6911 INTERCHANGEABLE
Connector,receptacle,electrical
6680-00-242-01173700-1 INTERCHANGEABLE
Gage,liquid Quantity,float Type
Barker Rockford Co, the Dba Heco Div Div Heco Division
5935-00-259-681037001 INTERCHANGEABLE
Connector,receptacle,electrical
Beta Labs Inc a-B and Millen Mfg Div
7490-00-955-508237001 INTERCHANGEABLE
Screw,clutch Adjust
Pitney Bowes Inc.
2940-00-966-57995846 INTERCHANGEABLE
Band Bracket Assembly
Cummins Inc.
5950-01-032-0050 INTERCHANGEABLE
Coil,radio Frequency
7520-01-360-774237001 INTERCHANGEABLE
Pen,plastic Tip
Sanford Corp
4820-01-365-16263700-1 INTERCHANGEABLE
Valve Assembly
Eaton Aerospace Llc Sterer Engineering Morgan Actuators
7520-01-708-981437001 INTERCHANGEABLE
Marker,tube Type
Newell Corporation Dba Newell Roofing
Cross-Reference Index
Part NumberManufacturer
MIL-C-3098/45 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
37001 Thales Defense & Security Inc Dba Thales Communications Inc (USA)
MIL-PRF-3098/45 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CR67/U19M40000 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5935-00-204-6911INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
6680-00-242-0117INTERCHANGEABLE
GAGE,LIQUID QUANTITY,FLOAT TYPE
3700-1
5935-00-259-6810INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
37001
7490-00-955-5082INTERCHANGEABLE
SCREW,CLUTCH ADJUST
37001
2940-00-966-5799INTERCHANGEABLE
BAND BRACKET ASSEMBLY
5846
5950-01-032-0050INTERCHANGEABLE
COIL,RADIO FREQUENCY
7520-01-360-7742INTERCHANGEABLE
PEN,PLASTIC TIP
37001
4820-01-365-1626INTERCHANGEABLE
VALVE ASSEMBLY
3700-1
7520-01-708-9814INTERCHANGEABLE
MARKER,TUBE TYPE
37001

Frequently Asked Questions

What is NSN 5955-00-455-4435?

NSN 5955-00-455-4435 is a Crystal Unit,quartz, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-00-455-4435?

NSN 5955-00-455-4435 has 4 cross-referenced part numbers: MIL-C-3098/45 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 37001 (Thales Defense & Security Inc Dba Thales Communications Inc), MIL-PRF-3098/45 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CR67/U19M40000 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5955-00-455-4435?

There are 9 known substitutes for 5955-00-455-4435: 5935-00-204-6911, 6680-00-242-0117, 5935-00-259-6810 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-C-3098/45?

Key specifications for MIL-C-3098/45: Style Designator: RECTANGULAR BODY, GULL WING; 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.).; Body Width: 0.402 INCHES MAXIMUM IN; Material: GLASS COVER HOLDER. 20 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com