PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-3098/39Crystal Unit,quartz

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5955-00-583-0168 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-00-583-0168 — this item is cataloged by the U.S. Government under National Stock Number 5955-00-583-0168. Primary manufacturer part number: MIL-PRF-3098/39.
Features
  • Crystal Unit,quartz — FSC 5955
  • Body Thickness: 0.150 INCHES MAXIMUM IN
  • Operating Temp Range: +80.0 TO 90.0 CELSIUS DEGC
  • Operable Temp Range: -55.0 TO 80.0 CELSIUS DEGC
  • Style Designator: RECTANGULAR BODY, GULL WING
  • Material: GLASS COVER HOLDER
  • 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.).
  • Specification/standard Data: 81349-MIL-C-3098/39 GOVERNMENT SPECIFICATION
Applications
  • Applications requiring Glass Cover Holder construction
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-583-0168, 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 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5955-00-583-0168
Primary Part NumberMIL-PRF-3098/39
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
StatusCANCELLED
Body Thickness0.150 INCHES MAXIMUM IN
Operating Temp Range+80.0 TO 90.0 CELSIUS DEGC
Operable Temp Range-55.0 TO 80.0 CELSIUS DEGC
Style DesignatorRECTANGULAR BODY, GULL WING
MaterialGLASS COVER HOLDER
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.).
Specification/standard Data81349-MIL-C-3098/39 GOVERNMENT SPECIFICATION
Terminal Length0.5003 INCHES MINIMUM IN
Controlled Reference Temp85.0 CELSIUS DEGC
Circuit ResonanceSERIES RESONANCE
Body Width0.402 INCHES MAXIMUM IN
Drive Level Rating0.8 MILLIWATTS MINIMUM AND 1.2 MILLIWATTS MAXIMUM
Equivalent Resistance Value in Ohms40.0 MAXIMUM
Frequency Tolerance for Operating Temp in Percent-0.002 TO 0.002 AND -0.004 TO 0.004
Mode of OscillationTHIRD OVERTONE AND FIFTH OVERTONE
Terminal Diameter0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
Overall Thickness0.183 INCHES MAXIMUM IN
Shunt Capacitance in Picofarads7.0 MAXIMUM
Frequency Tolerance at Reference Temp in Percent-0.008 TO 0.008
Center to Center Distance Between Terminals0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
Specified Frequency32.22222 MEGAHERTZ
Frequency Stability in Percent-0.0005 TO 0.0005
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5955-00-051-4756 INTERCHANGEABLE
Crystal Unit,quartz
5955-00-082-3964 INTERCHANGEABLE
Crystal Unit,quartz
5955-00-226-8419 INTERCHANGEABLE
Crystal Unit,quartz
5330-00-236-36971-1940-2 INTERCHANGEABLE
Gasket
Phd, Inc.
5955-00-583-0111 INTERCHANGEABLE
Crystal Unit,quartz
5955-00-583-0112 INTERCHANGEABLE
Crystal Unit,quartz
5955-00-583-0113 INTERCHANGEABLE
Crystal Unit,quartz
5955-00-583-0114 INTERCHANGEABLE
Crystal Unit,quartz
5955-00-583-0165 INTERCHANGEABLE
Crystal Unit,quartz
5955-00-583-0166 INTERCHANGEABLE
Crystal Unit,quartz
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-3098/39 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
290-4564-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
CR61/U32M22222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-3098/39 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
119402 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
5955-00-051-4756INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-082-3964INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-226-8419INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5330-00-236-3697INTERCHANGEABLE
GASKET
1-1940-2
5955-00-583-0111INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-583-0112INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-583-0113INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-583-0114INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-583-0165INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-583-0166INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-583-0167INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-583-0169INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ

Frequently Asked Questions

What is NSN 5955-00-583-0168?

NSN 5955-00-583-0168 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: cancelled.

What are the part numbers for NSN 5955-00-583-0168?

NSN 5955-00-583-0168 has 5 cross-referenced part numbers: MIL-PRF-3098/39 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 290-4564-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), CR61/U32M22222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-3098/39 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 119402 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 5955-00-583-0168?

There are 12 known substitutes for 5955-00-583-0168: 5955-00-051-4756, 5955-00-082-3964, 5955-00-226-8419 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-3098/39?

Key specifications for MIL-PRF-3098/39: Body Thickness: 0.150 INCHES MAXIMUM IN; Operating Temp Range: +80.0 TO 90.0 CELSIUS DEGC; Operable Temp Range: -55.0 TO 80.0 CELSIUS DEGC; Style Designator: RECTANGULAR BODY, GULL WING. 24 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5955-00-583-0168 still in active supply?

NSN 5955-00-583-0168 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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