PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52-4-1Crystal Unit,quartz

Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled · NSN 5955-01-046-2656 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-01-046-2656 — this item is cataloged by the U.S. Government under National Stock Number 5955-01-046-2656. Primary manufacturer part number: 52-4-1.
Features
  • Crystal Unit,quartz — FSC 5955
  • Center to Center Distance Between Terminals: 0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
  • Frequency Tolerance for Operating Temp in Percent: -0.005 TO 0.005
  • Equivalent Resistance Value in Ohms: 25.0 MAXIMUM
  • Style Designator: OVAL BODY, WIRE LEADS
  • Overall Thickness: 0.340 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
  • Mode of Oscillation: FUNDAMENTAL
  • Specified Frequency: 10.2386 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 5955-01-046-2656, 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 Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled. Government technical data includes 13 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5955-01-046-2656
Primary Part Number52-4-1
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerMicrosemi Corp. - High Performance Timing Dba Vectron International- Cancelled
StatusACTIVE
Center to Center Distance Between Terminals0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
Frequency Tolerance for Operating Temp in Percent-0.005 TO 0.005
Equivalent Resistance Value in Ohms25.0 MAXIMUM
Style DesignatorOVAL BODY, WIRE LEADS
Overall Thickness0.340 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
Mode of OscillationFUNDAMENTAL
Specified Frequency10.2386 MEGAHERTZ
Terminal Diameter0.028 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN
Body Thickness0.310 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
Circuit ResonanceSERIES RESONANCE
Terminal Length1.500 INCHES MINIMUM IN
Body Width0.715 INCHES MINIMUM AND 0.722 INCHES MAXIMUM IN
Operating Temp Range+0.0 TO 50.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2940-00-360-7962146541 INTERCHANGEABLE
Cover,fluid Filter
Honeywell International Inc Dba Honeywell Div Consumer Products Group
5950-00-392-6710SM-C-178688 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5935-00-804-5815 INTERCHANGEABLE
Adapter,connector
6605-00-865-8785 INTERCHANGEABLE
Indicator,navigational
5998-01-020-1650524-1 INTERCHANGEABLE
Circuit Card Assembly
Marc Alan Group the, Inc
4730-01-057-7268 INTERCHANGEABLE
Elbow,pipe to Hose
4820-01-127-2559803-2177934-B116AF INTERCHANGEABLE
Valve,globe
Naval Ship Systems Command
5940-01-147-679710RC-2577 INTERCHANGEABLE
Terminal,quick Disconnect
Abb Installation Products Inc
6515-01-255-82145241 INTERCHANGEABLE
Mask,oronasal
Salter Labs, Llc Dba Salter Labs
5331-01-284-086905241 INTERCHANGEABLE
O-Ring
Amerex Corporation Dba Amerex Corp
Cross-Reference Index
Part NumberManufacturer
52-4-1 PRIMARY Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA)
Related Parts
2940-00-360-7962INTERCHANGEABLE
COVER,FLUID FILTER
146541
5950-00-392-6710INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-C-178688
5935-00-804-5815INTERCHANGEABLE
ADAPTER,CONNECTOR
6605-00-865-8785INTERCHANGEABLE
INDICATOR,NAVIGATIONAL
5998-01-020-1650INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
524-1
4730-01-057-7268INTERCHANGEABLE
ELBOW,PIPE TO HOSE
4820-01-127-2559INTERCHANGEABLE
VALVE,GLOBE
803-2177934-B116AF
5940-01-147-6797INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
10RC-2577
6515-01-255-8214INTERCHANGEABLE
MASK,ORONASAL
5241
5331-01-284-0869INTERCHANGEABLE
O-RING
05241
4240-01-334-1188INTERCHANGEABLE
RESPIRATOR,AIR FILTERING
5120-01-399-9813INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
J5241

Frequently Asked Questions

What is NSN 5955-01-046-2656?

NSN 5955-01-046-2656 is a Crystal Unit,quartz, manufactured by Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled, classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-01-046-2656?

NSN 5955-01-046-2656 has 1 cross-referenced part number: 52-4-1 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled).

What NSN replaces 5955-01-046-2656?

There are 12 known substitutes for 5955-01-046-2656: 2940-00-360-7962, 5950-00-392-6710, 5935-00-804-5815 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 52-4-1?

Key specifications for 52-4-1: Overall Length: 0.755 INCHES MINIMUM AND 0.775 INCHES MAXIMUM IN; Center to Center Distance Between Terminals: 0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN; Frequency Tolerance for Operating Temp in Percent: -0.005 TO 0.005; Equivalent Resistance Value in Ohms: 25.0 MAXIMUM. 15 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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