PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B4009104Crystal Unit,quartz

Department of the Army Hq United States Army Communications Research and Development Command · NSN 5955-01-141-2663 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-01-141-2663 — this item is cataloged by the U.S. Government under National Stock Number 5955-01-141-2663. Primary manufacturer part number: B4009104.
Features
  • Crystal Unit,quartz — FSC 5955
  • Overall Thickness: 0.240 INCHES NOMINAL IN
  • Equivalent Resistance Value in Ohms: 250.0 MAXIMUM
  • Style Designator: OVAL BODY, WIRE LEADS
  • Drive Level Rating: 2.0 MILLIWATTS NOMINAL
  • Frequency Tolerance for Operating Temp in Percent: -0.002 TO 0.002
  • Center to Center Distance Between Terminals: 0.484 INCHES NOMINAL IN
  • Terminal Diameter: 0.031 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-141-2663, 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 Department of the Army Hq United States Army Communications Research and Development Command. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5955-01-141-2663
Primary Part NumberB4009104
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerDepartment of the Army Hq United States Army Communications Research and Development Command
StatusACTIVE
Overall Thickness0.240 INCHES NOMINAL IN
Equivalent Resistance Value in Ohms250.0 MAXIMUM
Style DesignatorOVAL BODY, WIRE LEADS
Drive Level Rating2.0 MILLIWATTS NOMINAL
Frequency Tolerance for Operating Temp in Percent-0.002 TO 0.002
Center to Center Distance Between Terminals0.484 INCHES NOMINAL IN
Terminal Diameter0.031 INCHES NOMINAL IN
Terminal Length0.500 INCHES MINIMUM IN
Load Capacitance in Picofarads32.0 NOMINAL
Body Thickness0.210 INCHES NOMINAL IN
Mode of OscillationFUNDAMENTAL
Operating Temp Range-20.0 TO 70.0 CELSIUS DEGC
Circuit ResonanceANTIRESONANCE
Body Width0.720 INCHES NOMINAL IN
Specified Frequency2457.600 KILOHERTZ
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4720-01-095-034408010 INTERCHANGEABLE
Hose Assembly
Hanson Machine
4520-01-176-4963 INTERCHANGEABLE
Heating Element,electrical,nonim
Cross-Reference Index
Part NumberManufacturer
B4009104 PRIMARY Department of the Army Hq United States Army Communications Research and Development Command (USA)
08210 Thales Defense & Security Inc Dba Thales Communications Inc (USA)
Related Parts
4720-01-095-0344INTERCHANGEABLE
HOSE ASSEMBLY
08010
4520-01-176-4963INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM

Frequently Asked Questions

What is NSN 5955-01-141-2663?

NSN 5955-01-141-2663 is a Crystal Unit,quartz, manufactured by Department of the Army Hq United States Army Communications Research and Development Command, classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-01-141-2663?

NSN 5955-01-141-2663 has 2 cross-referenced part numbers: B4009104 (Department of the Army Hq United States Army Communications Research and Development Command), 08210 (Thales Defense & Security Inc Dba Thales Communications Inc).

What NSN replaces 5955-01-141-2663?

There are 2 known substitutes for 5955-01-141-2663: 4720-01-095-0344, 4520-01-176-4963. Verify interchangeability with system specifications before substitution.

What are the specifications of B4009104?

Key specifications for B4009104: End Item Identification: 5820-01-102-3921; Overall Thickness: 0.240 INCHES NOMINAL IN; Equivalent Resistance Value in Ohms: 250.0 MAXIMUM; Style Designator: OVAL BODY, WIRE LEADS. 18 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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