PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

290-0001-00Crystal Unit,quartz

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5955-00-267-4252 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-00-267-4252 — this item is cataloged by the U.S. Government under National Stock Number 5955-00-267-4252. Primary manufacturer part number: 290-0001-00.
Features
  • Crystal Unit,quartz — FSC 5955
  • Terminal Diameter: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
  • Center to Center Distance Between Terminals: 0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
  • Operating Temp Range: +80.0 TO 90.0 CELSIUS DEGC
  • Frequency Tolerance at Reference Temp in Percent: -0.0005 TO 0.0005
  • Frequency Tolerance for Operating Temp in Percent: -0.002 TO 0.002
  • Terminal Length: 0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN
  • Mode of Oscillation: FUNDAMENTAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-267-4252, 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 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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: Active.

Technical Specifications
ParameterValue
NSN5955-00-267-4252
Primary Part Number290-0001-00
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
StatusACTIVE
Terminal Diameter0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
Center to Center Distance Between Terminals0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
Operating Temp Range+80.0 TO 90.0 CELSIUS DEGC
Frequency Tolerance at Reference Temp in Percent-0.0005 TO 0.0005
Frequency Tolerance for Operating Temp in Percent-0.002 TO 0.002
Terminal Length0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN
Mode of OscillationFUNDAMENTAL
Overall Thickness0.338 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN
Style DesignatorOVAL BODY, PIN TERMINALS
Specified Frequency1.000 MEGAHERTZ
Controlled Reference Temp85.0 CELSIUS DEGC
Body Length0.755 INCHES MINIMUM AND 0.775 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5955-00-267-4194 INTERCHANGEABLE
Crystal Unit,quartz
5955-00-267-4195 INTERCHANGEABLE
Crystal Unit,quartz
5955-00-267-4196 INTERCHANGEABLE
Crystal Unit,quartz
5955-00-267-4198 INTERCHANGEABLE
Crystal Unit,quartz
5955-00-267-4199 INTERCHANGEABLE
Crystal Unit,quartz
5955-00-267-4203 INTERCHANGEABLE
Crystal Unit,quartz
5955-00-267-4205 INTERCHANGEABLE
Crystal Unit,quartz
5955-00-267-4207290-0005-00 INTERCHANGEABLE
Crystal Unit,quartz
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5955-00-267-4208 INTERCHANGEABLE
Crystal Unit,quartz
5955-00-267-4246 INTERCHANGEABLE
Crystal Unit,quartz
Cross-Reference Index
Part NumberManufacturer
290-0001-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
CR36U Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
CR-36/U1.000000MHZ Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILC3098TYPECR36U Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5955-00-267-4194INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-267-4195INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-267-4196INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-267-4198INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-267-4199INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-267-4203INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-267-4205INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-267-4207INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
290-0005-00
5955-00-267-4208INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-267-4246INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-295-7445INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-295-7448INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ

Frequently Asked Questions

What is NSN 5955-00-267-4252?

NSN 5955-00-267-4252 is a Crystal Unit,quartz, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-00-267-4252?

NSN 5955-00-267-4252 has 4 cross-referenced part numbers: 290-0001-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), CR36U (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), CR-36/U1.000000MHZ (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILC3098TYPECR36U (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5955-00-267-4252?

There are 12 known substitutes for 5955-00-267-4252: 5955-00-267-4194, 5955-00-267-4195, 5955-00-267-4196 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 290-0001-00?

Key specifications for 290-0001-00: Terminal Diameter: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN; Overall Width: 0.745 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Center to Center Distance Between Terminals: 0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN; Operating Temp Range: +80.0 TO 90.0 CELSIUS DEGC. 14 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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