PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

291-8090-00Crystal Unit,quartz

Cardwell Condenser Corp Lapointe-Admiral Div · NSN 5955-00-238-2000 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-00-238-2000 — this item is cataloged by the U.S. Government under National Stock Number 5955-00-238-2000. Primary manufacturer part number: 291-8090-00.
Features
  • Crystal Unit,quartz — FSC 5955
  • Center to Center Distance Between Terminals: 0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
  • Operating Temp Range: -55.0 TO 90.0 CELSIUS DEGC
  • Overall Thickness: 0.338 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN
  • Terminal Diameter: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
  • Specified Frequency: 8.650 MEGAHERTZ
  • Style Designator: OVAL BODY, PIN TERMINALS
  • Body Length: 0.755 INCHES MINIMUM AND 0.775 INCHES MAXIMUM 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 5955-00-238-2000, 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 Cardwell Condenser Corp Lapointe-Admiral Div. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5955-00-238-2000
Primary Part Number291-8090-00
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerCardwell Condenser Corp Lapointe-Admiral Div
StatusACTIVE
Center to Center Distance Between Terminals0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
Operating Temp Range-55.0 TO 90.0 CELSIUS DEGC
Overall Thickness0.338 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN
Terminal Diameter0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
Specified Frequency8.650 MEGAHERTZ
Style DesignatorOVAL BODY, PIN TERMINALS
Body Length0.755 INCHES MINIMUM AND 0.775 INCHES MAXIMUM IN
Mode of OscillationFUNDAMENTAL
Terminal Length0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN
Frequency Tolerance for Operating Temp in Percent-0.005 TO 0.005
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5955-00-236-6038 INTERCHANGEABLE
Crystal Unit,quartz
Cross-Reference Index
Part NumberManufacturer
291-8090-00 PRIMARY Cardwell Condenser Corp Lapointe-Admiral Div (USA)
291-8090-00 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
MS91377TYPECR18U Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5955-00-236-6038INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ

Frequently Asked Questions

What is NSN 5955-00-238-2000?

NSN 5955-00-238-2000 is a Crystal Unit,quartz, manufactured by Cardwell Condenser Corp Lapointe-Admiral Div, classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-00-238-2000?

NSN 5955-00-238-2000 has 3 cross-referenced part numbers: 291-8090-00 (Cardwell Condenser Corp Lapointe-Admiral Div), 291-8090-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), MS91377TYPECR18U (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5955-00-238-2000?

There is 1 known substitute for 5955-00-238-2000: 5955-00-236-6038. Verify interchangeability with system specifications before substitution.

What are the specifications of 291-8090-00?

Key specifications for 291-8090-00: Overall Length: 0.978 INCHES MINIMUM AND 1.023 INCHES MAXIMUM IN; Center to Center Distance Between Terminals: 0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN; Operating Temp Range: -55.0 TO 90.0 CELSIUS DEGC; Overall Thickness: 0.338 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN. 12 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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