PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16955Crystal Unit,quartz

Cessna Aircraft Co Arc Avionics Div · NSN 5955-00-543-1041 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-00-543-1041 — this item is cataloged by the U.S. Government under National Stock Number 5955-00-543-1041. Primary manufacturer part number: 16955.
Features
  • Crystal Unit,quartz — FSC 5955
  • Body Thickness: 0.310 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
  • Center to Center Distance Between Terminals: 0.481 INCHES MINIMUM AND 0.491 INCHES MAXIMUM IN
  • Equivalent Resistance Value in Ohms: 25.0 NOMINAL
  • Frequency Tolerance for Operating Temp in Percent: -0.005 TO 0.005
  • Terminal Diameter: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
  • Overall Thickness: 0.340 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
  • Specified Frequency: 9.975 MEGAHERTZ
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-543-1041, 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 Cessna Aircraft Co Arc Avionics Div. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5955-00-543-1041
Primary Part Number16955
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerCessna Aircraft Co Arc Avionics Div
StatusACTIVE
Body Thickness0.310 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
Center to Center Distance Between Terminals0.481 INCHES MINIMUM AND 0.491 INCHES MAXIMUM IN
Equivalent Resistance Value in Ohms25.0 NOMINAL
Frequency Tolerance for Operating Temp in Percent-0.005 TO 0.005
Terminal Diameter0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
Overall Thickness0.340 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
Specified Frequency9.975 MEGAHERTZ
Body Length0.778 INCHES MAXIMUM IN
Load Capacitance in Picofarads60.0 NOMINAL
Operating Temp Range-55.0 TO 90.0 CELSIUS DEGC
Shunt Capacitance in Picofarads10.0 MAXIMUM
Style DesignatorOVAL BODY, PIN TERMINALS
Drive Level Rating25.0 MILLIWATTS NOMINAL
Terminal Length0.278 INCHES MAXIMUM IN
Mode of OscillationFUNDAMENTAL
Circuit ResonanceANTIRESONANCE
Body Width0.310 INCHES MINIMUM AND 0.725 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5955-00-543-1054 INTERCHANGEABLE
Crystal Unit,quartz
3030-00-554-7434630H150 INTERCHANGEABLE
Belt,positive Drive
Lanxess Corporation
5325-01-198-8140743-600702 INTERCHANGEABLE
Ring,retaining
Doall Baltimore Company
5940-01-299-24661695 GP 05 INTERCHANGEABLE
Terminal Board
Regal Beloit America, Inc
6515-01-593-4850306.667.96 INTERCHANGEABLE
Screw Length Marker Kit
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
16955 Cessna Aircraft Co Arc Avionics Div (USA)
Related Parts
5955-00-543-1054INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
3030-00-554-7434INTERCHANGEABLE
BELT,POSITIVE DRIVE
630H150
5325-01-198-8140INTERCHANGEABLE
RING,RETAINING
743-600702
5940-01-299-2466INTERCHANGEABLE
TERMINAL BOARD
1695 GP 05
6515-01-593-4850INTERCHANGEABLE
SCREW LENGTH MARKER KIT
306.667.96

Frequently Asked Questions

What is NSN 5955-00-543-1041?

NSN 5955-00-543-1041 is a Crystal Unit,quartz, manufactured by Cessna Aircraft Co Arc Avionics Div, classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-00-543-1041?

NSN 5955-00-543-1041 has 1 cross-referenced part number: 16955 (Cessna Aircraft Co Arc Avionics Div).

What NSN replaces 5955-00-543-1041?

There are 5 known substitutes for 5955-00-543-1041: 5955-00-543-1054, 3030-00-554-7434, 5325-01-198-8140 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16955?

Key specifications for 16955: Body Thickness: 0.310 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN; Center to Center Distance Between Terminals: 0.481 INCHES MINIMUM AND 0.491 INCHES MAXIMUM IN; Equivalent Resistance Value in Ohms: 25.0 NOMINAL; Frequency Tolerance for Operating Temp in Percent: -0.005 TO 0.005. 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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