PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M235A901-2Oscillator,crystal Controlled

Telephonics Corp · NSN 5955-01-423-5235 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-01-423-5235 — this item is cataloged by the U.S. Government under National Stock Number 5955-01-423-5235. Primary manufacturer part number: M235A901-2.
Features
  • Oscillator,crystal Controlled — FSC 5955
  • Average Life Measurement: NOT RATED
  • Inclosure Type: HERMETICALLY SEALED
  • Specification/standard Data: 78711--235A901-2 MANUFACTURERS SOURCE CONTROL
  • External DC Operating Voltage in Volts: 4.5 MINIMUM SINGLE VOLTAGE AND 5.5 MAXIMUM SINGLE VOLTAGE
  • Frequency Per Channel: 199.99 KILOHERTZ MINIMUM OPERATING CHANNEL AND 200.01 KILOHERTZ MAXIMUM OPERATING CHANNEL
  • Connection Type: PIN BOTTOM
  • Test Data Document: 78711--235A901 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-423-5235, 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 Telephonics Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5955-01-423-5235
Primary Part NumberM235A901-2
Item NameOscillator,crystal Controlled
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerTelephonics Corp
StatusACTIVE
Average Life MeasurementNOT RATED
Inclosure TypeHERMETICALLY SEALED
Specification/standard Data78711--235A901-2 MANUFACTURERS SOURCE CONTROL
External DC Operating Voltage in Volts4.5 MINIMUM SINGLE VOLTAGE AND 5.5 MAXIMUM SINGLE VOLTAGE
Frequency Per Channel199.99 KILOHERTZ MINIMUM OPERATING CHANNEL AND 200.01 KILOHERTZ MAXIMUM OPERATING CHANNEL
Connection TypePIN BOTTOM
Test Data Document78711--235A901 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Connection Contact Type and Quantity4 PIN EXTERNAL
Circuit Construction TypeSOLID STATE
Control TypeREMOTE
Operating Control MethodAUTOMATIC
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Basic Shape StyleRECTANGULAR OR SQUARE
Installation DesignMODULE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5360-00-115-3805305-42 INTERCHANGEABLE
Spring,helical,compression
Aerco International, Inc. Dba Aerco International Inc
2805-00-356-1560608372 INTERCHANGEABLE
Cover
Caterpillar Inc Div Caterpillar Defense
2520-01-156-818930-542 INTERCHANGEABLE
Joint,universal
Heil Environmental Industries
5895-01-230-818130542 INTERCHANGEABLE
Keyboard,data Entry
Staco Systems, Inc. Dba Staco Systems Div Dba Staco Systems
3455-01-365-1646305-42 INTERCHANGEABLE
Cutter,milling,side
Kennametal Inc. Div Kennametal Industrial Products Group
4440-01-382-087730542 INTERCHANGEABLE
Dehumidifier,desiccant,electric
Munters Corporation Dba Munters Des Champs Products Div Cargocaire
4320-01-421-855930542 INTERCHANGEABLE
Cord,power,fluid Pu
Liquid Metronics Inc
6850-01-440-5121198818 INTERCHANGEABLE
Sealer,chemical
Loctite Corp
4330-01-673-638930542 INTERCHANGEABLE
Cover,fluid Filter
Separ of the Americas, Llc Dba Separ, Losing Filtertek Div Separ Filter
5340-01-699-892430542 INTERCHANGEABLE
Clip,spring Tension
Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
M235A901-2 Telephonics Corp (USA)
3054-2 Oscillatek Corp P O Box 5160 Norwalk Ct 06856-5160 (USA)
CO441A-7B AT 200KHZ Vectron International Div. of Dover Electronics Inc (USA)
3054-2 Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA)
CO441A-7B AT 200KHZ Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA)
Related Parts
5360-00-115-3805INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
305-42
2805-00-356-1560INTERCHANGEABLE
COVER
608372
2520-01-156-8189INTERCHANGEABLE
JOINT,UNIVERSAL
30-542
5895-01-230-8181INTERCHANGEABLE
KEYBOARD,DATA ENTRY
30542
3455-01-365-1646INTERCHANGEABLE
CUTTER,MILLING,SIDE
305-42
4440-01-382-0877INTERCHANGEABLE
DEHUMIDIFIER,DESICCANT,ELECTRIC
30542
4320-01-421-8559INTERCHANGEABLE
CORD,POWER,FLUID PU
30542
6850-01-440-5121INTERCHANGEABLE
SEALER,CHEMICAL
198818
4330-01-673-6389INTERCHANGEABLE
COVER,FLUID FILTER
30542
5340-01-699-8924INTERCHANGEABLE
CLIP,SPRING TENSION
30542

Frequently Asked Questions

What is NSN 5955-01-423-5235?

NSN 5955-01-423-5235 is a Oscillator,crystal Controlled, manufactured by Telephonics Corp, classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-01-423-5235?

NSN 5955-01-423-5235 has 5 cross-referenced part numbers: M235A901-2 (Telephonics Corp), 3054-2 (Oscillatek Corp P O Box 5160 Norwalk Ct 06856-5160), CO441A-7B AT 200KHZ (Vectron International Div. of Dover Electronics Inc), 3054-2 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), CO441A-7B AT 200KHZ (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled).

What NSN replaces 5955-01-423-5235?

There are 10 known substitutes for 5955-01-423-5235: 5360-00-115-3805, 2805-00-356-1560, 2520-01-156-8189 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M235A901-2?

Key specifications for M235A901-2: Average Life Measurement: NOT RATED; Inclosure Type: HERMETICALLY SEALED; Overall Width: 0.540 INCHES MAXIMUM IN; Specification/standard Data: 78711--235A901-2 MANUFACTURERS SOURCE CONTROL. 18 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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