PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

538002-9Crystal Unit,quartz

Raytheon Company Dba Raytheon · NSN 5955-00-483-4458 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-00-483-4458 — this item is cataloged by the U.S. Government under National Stock Number 5955-00-483-4458. Primary manufacturer part number: 538002-9.
Features
  • Crystal Unit,quartz — FSC 5955
  • Terminal Length: 1.500 INCHES MINIMUM IN
  • Operating Temp Range: +70.0 TO 80.0 CELSIUS AND -55.0 TO 90.0 CELSIUS DEGC
  • Material: GLASS COVER HOLDER
  • Diameter: 0.306 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN
  • Operable Temp Range: -40.0 TO 70.0 CELSIUS DEGC
  • Circuit Resonance: SERIES RESONANCE
  • Mode of Oscillation: FIFTH OVERTONE AND THIRD OVERTONE
Applications
  • Applications requiring Glass Cover Holder construction
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-483-4458, 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 Raytheon Company Dba Raytheon. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5955-00-483-4458
Primary Part Number538002-9
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Terminal Length1.500 INCHES MINIMUM IN
Operating Temp Range+70.0 TO 80.0 CELSIUS AND -55.0 TO 90.0 CELSIUS DEGC
MaterialGLASS COVER HOLDER
Diameter0.306 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN
Operable Temp Range-40.0 TO 70.0 CELSIUS DEGC
Circuit ResonanceSERIES RESONANCE
Mode of OscillationFIFTH OVERTONE AND THIRD OVERTONE
Drive Level Rating2.0 MILLIWATTS NOMINAL AND 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM
Equivalent Resistance Value in Ohms50.0 NOMINAL
Center to Center Distance Between Terminals0.200 INCHES NOMINAL IN
Frequency Tolerance for Operating Temp in Percent-0.0025 TO 0.0025 AND -0.0050 TO 0.0050
Overall Diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Controlled Reference Temp75.0 CELSIUS DEGC
Specified Frequency70.125 MEGAHERTZ
Style DesignatorHAT TYPE, 3 WIRE LEADS
Shunt Capacitance in Picofarads3.5 MAXIMUM
Terminal Diameter0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
Frequency Stability in Percent-0.0005 TO 0.0005
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4320-00-928-244466-7684 INTERCHANGEABLE
Ring,wearing
Aqua-Chem, Inc. Dba Aqua-Chem Inc
6145-01-224-208188723 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
3120-01-268-906966169 INTERCHANGEABLE
Bearing Set,sleeve
Mark Industries
Cross-Reference Index
Part NumberManufacturer
538002-9 Electronic Research Company (USA)
538002-9 Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA)
538002-9 PRIMARY Raytheon Company Dba Raytheon (USA)
538002-9 Monitor Products Co. Inc. Dba Monitor Products Co. Inc. (USA)
538002-9 Power Control Devices, Inc. (USA)
66-16-9 Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA)
Related Parts
4320-00-928-2444INTERCHANGEABLE
RING,WEARING
66-7684
6145-01-224-2081INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
88723
3120-01-268-9069INTERCHANGEABLE
BEARING SET,SLEEVE
66169

Frequently Asked Questions

What is NSN 5955-00-483-4458?

NSN 5955-00-483-4458 is a Crystal Unit,quartz, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-00-483-4458?

NSN 5955-00-483-4458 has 6 cross-referenced part numbers: 538002-9 (Electronic Research Company), 538002-9 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), 538002-9 (Raytheon Company Dba Raytheon), 538002-9 (Monitor Products Co. Inc. Dba Monitor Products Co. Inc.), 538002-9 (Power Control Devices, Inc.) and 1 more.

What NSN replaces 5955-00-483-4458?

There are 3 known substitutes for 5955-00-483-4458: 4320-00-928-2444, 6145-01-224-2081, 3120-01-268-9069. Verify interchangeability with system specifications before substitution.

What are the specifications of 538002-9?

Key specifications for 538002-9: Terminal Length: 1.500 INCHES MINIMUM IN; Operating Temp Range: +70.0 TO 80.0 CELSIUS AND -55.0 TO 90.0 CELSIUS DEGC; Material: GLASS COVER HOLDER; Diameter: 0.306 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN. 19 total characteristics are documented in the Federal Logistics Information System.

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