PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

104KCrystal Unit,quartz

Rycom Instruments, Inc. · NSN 5955-00-892-3437 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-00-892-3437 — this item is cataloged by the U.S. Government under National Stock Number 5955-00-892-3437. Primary manufacturer part number: 104K.
Features
  • Crystal Unit,quartz — FSC 5955
  • Body Thickness: 0.272 INCHES NOMINAL IN
  • Body Width: 0.687 INCHES NOMINAL IN
  • Operating Temp Range: -40.0 TO 70.0 CELSIUS DEGC
  • Style Designator: OVAL BODY, PIN TERMINALS
  • Center to Center Distance Between Terminals: 0.486 INCHES NOMINAL IN
  • Drive Level Rating: 10.0 MILLIWATTS NOMINAL
  • Frequency Tolerance for Operating Temp in Percent: -0.002 TO 0.002
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-892-3437, 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 Rycom Instruments, Inc.. Government technical data includes 15 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5955-00-892-3437
Primary Part Number104K
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerRycom Instruments, Inc.
StatusACTIVE
Body Thickness0.272 INCHES NOMINAL IN
Body Width0.687 INCHES NOMINAL IN
Operating Temp Range-40.0 TO 70.0 CELSIUS DEGC
Style DesignatorOVAL BODY, PIN TERMINALS
Center to Center Distance Between Terminals0.486 INCHES NOMINAL IN
Drive Level Rating10.0 MILLIWATTS NOMINAL
Frequency Tolerance for Operating Temp in Percent-0.002 TO 0.002
Equivalent Resistance Value in Ohms900.0 MINIMUM AND 2000.0 MAXIMUM
Circuit ResonanceSERIES RESONANCE
Terminal Diameter0.050 INCHES NOMINAL IN
Overall Thickness0.352 INCHES MAXIMUM IN
Body Length0.775 INCHES MAXIMUM IN
Mode of OscillationFUNDAMENTAL
Specified Frequency500.065 KILOHERTZ
Terminal Length0.248 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-516-5852104K INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
5910-01-171-8693 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Cross-Reference Index
Part NumberManufacturer
104K Rycom Instruments, Inc. (USA)
Related Parts
3110-00-516-5852INTERCHANGEABLE
BEARING,BALL,ANNULAR
104K
5910-01-171-8693INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR

Frequently Asked Questions

What is NSN 5955-00-892-3437?

NSN 5955-00-892-3437 is a Crystal Unit,quartz, manufactured by Rycom Instruments, Inc., classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-00-892-3437?

NSN 5955-00-892-3437 has 1 cross-referenced part number: 104K (Rycom Instruments, Inc.).

What NSN replaces 5955-00-892-3437?

There are 2 known substitutes for 5955-00-892-3437: 3110-00-516-5852, 5910-01-171-8693. Verify interchangeability with system specifications before substitution.

What are the specifications of 104K?

Key specifications for 104K: Overall Length: 1.023 INCHES MAXIMUM IN; Body Thickness: 0.272 INCHES NOMINAL IN; Body Width: 0.687 INCHES NOMINAL IN; Operating Temp Range: -40.0 TO 70.0 CELSIUS DEGC. 17 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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