PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3956-01Oscillator,crystal Controlled

Monitor Products Co. Inc. Dba Monitor Products Co. Inc. · NSN 5955-01-236-4256 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-01-236-4256 — this item is cataloged by the U.S. Government under National Stock Number 5955-01-236-4256. Primary manufacturer part number: 3956-01.
Features
  • Oscillator,crystal Controlled — FSC 5955
  • Storage Temp Range: -18.0 TO 75.0 CELSIUS DEGC
  • Precious Material and Location: TERMINAL SURFACES GOLD
  • Frequency Per Channel: 400.0 HERTZ NOMINAL OPERATING CHANNEL
  • Circuit Construction Type: SOLID STATE
  • Connection Contact Type and Quantity: 6 PIN EXTERNAL
  • Connection Type: PIN BOTTOM
  • Impedance Rating Per Channel: 10.000 KILOHMS OPERATING CHANNEL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-236-4256, 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 Monitor Products Co. Inc. Dba Monitor Products Co. Inc.. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5955-01-236-4256
Primary Part Number3956-01
Item NameOscillator,crystal Controlled
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerMonitor Products Co. Inc. Dba Monitor Products Co. Inc.
StatusACTIVE
Storage Temp Range-18.0 TO 75.0 CELSIUS DEGC
Precious Material and LocationTERMINAL SURFACES GOLD
Frequency Per Channel400.0 HERTZ NOMINAL OPERATING CHANNEL
Circuit Construction TypeSOLID STATE
Connection Contact Type and Quantity6 PIN EXTERNAL
Connection TypePIN BOTTOM
Impedance Rating Per Channel10.000 KILOHMS OPERATING CHANNEL
Precious MaterialGOLD
External DC Operating Voltage in Volts15.0 NOMINAL SINGLE VOLTAGE
Identification Designator20452-23094
Operating Temp Range+0.0 TO 75.0 CELSIUS DEGC
Inclosure TypeENCASED
Basic Shape StyleRECTANGULAR OR SQUARE
Average Life MeasurementNOT RATED
Operating Control MethodAUTOMATIC
Installation DesignMODULE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6685-00-537-2463 INTERCHANGEABLE
Movement
9540-00-554-999644444 INTERCHANGEABLE
Channel,structural
Aluminum Co of America
5940-00-578-90342352176-002 INTERCHANGEABLE
Terminal,stud
Lockheed Martin Corporation Div Rms - Mitchel Field
5930-00-583-826020452 INTERCHANGEABLE
Switch,lever
Sigma Tek, Inc.
1680-00-673-3195W20452 INTERCHANGEABLE
Pivot Bolt,windshie
Emerson Electric Co Alco Controls Div
4720-00-870-72011939284 INTERCHANGEABLE
Hose,preformed
Chrysler Realty Company Llc Dba Daimler Chrysler
5910-00-954-589220452 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
American Shizuki Corp
4320-01-542-3120TMS-3377 INTERCHANGEABLE
Valve Flapper,pump
Clark-Reliance Llc Dba Jacoby-Tarbox
6680-01-542-31472045-2 1-1/4 IN INTERCHANGEABLE
Indicator,sight,liquid
Clark-Reliance Llc Dba Jacoby-Tarbox
5950-01-614-0635192-36 INTERCHANGEABLE
Cover,electrical Transformer
Parker Hannifin Corporation Div Village Marine Tech
Cross-Reference Index
Part NumberManufacturer
3956-01 Monitor Products Co. Inc. Dba Monitor Products Co. Inc. (USA)
20452 Ocean Technology Inc (USA)
Related Parts
6685-00-537-2463INTERCHANGEABLE
MOVEMENT
9540-00-554-9996INTERCHANGEABLE
CHANNEL,STRUCTURAL
44444
5940-00-578-9034INTERCHANGEABLE
TERMINAL,STUD
2352176-002
5930-00-583-8260INTERCHANGEABLE
SWITCH,LEVER
20452
1680-00-673-3195INTERCHANGEABLE
PIVOT BOLT,WINDSHIE
W20452
4720-00-870-7201INTERCHANGEABLE
HOSE,PREFORMED
1939284
5910-00-954-5892INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
20452
4320-01-542-3120INTERCHANGEABLE
VALVE FLAPPER,PUMP
TMS-3377
6680-01-542-3147INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
2045-2 1-1/4 IN
5950-01-614-0635INTERCHANGEABLE
COVER,ELECTRICAL TRANSFORMER
192-36
4460-01-646-9619INTERCHANGEABLE
COLLECTOR UNIT,DUST
5340-01-665-9884INTERCHANGEABLE
CAP SET,PROTECTIVE,DUST AND MOIS
39560-1

Frequently Asked Questions

What is NSN 5955-01-236-4256?

NSN 5955-01-236-4256 is a Oscillator,crystal Controlled, manufactured by Monitor Products Co. Inc. Dba Monitor Products Co. Inc., classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-01-236-4256?

NSN 5955-01-236-4256 has 2 cross-referenced part numbers: 3956-01 (Monitor Products Co. Inc. Dba Monitor Products Co. Inc.), 20452 (Ocean Technology Inc).

What NSN replaces 5955-01-236-4256?

There are 12 known substitutes for 5955-01-236-4256: 6685-00-537-2463, 9540-00-554-9996, 5940-00-578-9034 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3956-01?

Key specifications for 3956-01: Storage Temp Range: -18.0 TO 75.0 CELSIUS DEGC; Precious Material and Location: TERMINAL SURFACES GOLD; Frequency Per Channel: 400.0 HERTZ NOMINAL OPERATING CHANNEL; Circuit Construction Type: SOLID STATE. 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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