PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C91-045103Oscillator,crystal Controlled

Charles Industries, Llc Div Telecom · NSN 5955-01-090-0339 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-01-090-0339 — this item is cataloged by the U.S. Government under National Stock Number 5955-01-090-0339. Primary manufacturer part number: C91-045103.
Features
  • Oscillator,crystal Controlled — FSC 5955
  • Average Life Measurement: NOT RATED
  • Basic Shape Style: RECTANGULAR OR SQUARE
  • Installation Design: MODULE
  • Inclosure Type: ENCASED
  • Connection Contact Type and Quantity: 8 SOLDER LUG EXTERNAL
  • Connection Type: SOLDER LUG BOTTOM
  • External DC Operating Voltage in Volts: 5.0 NOMINAL SINGLE VOLTAGE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-090-0339, 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 Charles Industries, Llc Div Telecom. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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
NSN5955-01-090-0339
Primary Part NumberC91-045103
Item NameOscillator,crystal Controlled
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerCharles Industries, Llc Div Telecom
StatusACTIVE
Average Life MeasurementNOT RATED
Basic Shape StyleRECTANGULAR OR SQUARE
Installation DesignMODULE
Inclosure TypeENCASED
Connection Contact Type and Quantity8 SOLDER LUG EXTERNAL
Connection TypeSOLDER LUG BOTTOM
External DC Operating Voltage in Volts5.0 NOMINAL SINGLE VOLTAGE
Circuit Construction TypeSOLID STATE
Frequency Per Channel2.6 KILOHERTZ NOMINAL 2ND OPERATING CHANNEL
Environmental ProtectionGENERAL PURPOSE
Frequency Per Channel1.6 KILOHERTZ NOMINAL 1ST OPERATING CHANNEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4930-00-387-949745103 INTERCHANGEABLE
Jaw,reversible
Mcneil Ohio Corp
5935-00-493-5585990C416H02 INTERCHANGEABLE
Connector,plug,electrical
Northrop Grumman Systems Corporation Dba Electronic Systems
5955-00-789-810545103 INTERCHANGEABLE
Oscillator,crystal Controlled
L3harris Technologies, Inc. Div Space and Airborne Systems
3040-01-395-343745103 INTERCHANGEABLE
Collar,shaft
Northwestern Tools, Inc.
5120-01-398-939800945103000 INTERCHANGEABLE
Pliers
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
Cross-Reference Index
Part NumberManufacturer
C91-045103 PRIMARY Charles Industries, Llc Div Telecom (USA)
451-03 Charles Industries, Llc Div Telecom (USA)
Related Parts
4930-00-387-9497INTERCHANGEABLE
JAW,REVERSIBLE
45103
5935-00-493-5585INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
990C416H02
5955-00-789-8105INTERCHANGEABLE
OSCILLATOR,CRYSTAL CONTROLLED
45103
3040-01-395-3437INTERCHANGEABLE
COLLAR,SHAFT
45103
5120-01-398-9398INTERCHANGEABLE
PLIERS
00945103000

Frequently Asked Questions

What is NSN 5955-01-090-0339?

NSN 5955-01-090-0339 is a Oscillator,crystal Controlled, manufactured by Charles Industries, Llc Div Telecom, classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-01-090-0339?

NSN 5955-01-090-0339 has 2 cross-referenced part numbers: C91-045103 (Charles Industries, Llc Div Telecom), 451-03 (Charles Industries, Llc Div Telecom).

What NSN replaces 5955-01-090-0339?

There are 5 known substitutes for 5955-01-090-0339: 4930-00-387-9497, 5935-00-493-5585, 5955-00-789-8105 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C91-045103?

Key specifications for C91-045103: Average Life Measurement: NOT RATED; Basic Shape Style: RECTANGULAR OR SQUARE; Installation Design: MODULE; Inclosure Type: ENCASED. 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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