PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

104-8-1Crystal Unit,quartz

Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled · NSN 5955-01-393-7895 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-01-393-7895 — this item is cataloged by the U.S. Government under National Stock Number 5955-01-393-7895. Primary manufacturer part number: 104-8-1.
Features
  • Crystal Unit,quartz — FSC 5955
  • Equivalent Resistance Value in Ohms: 40.0 MAXIMUM
  • Center to Center Distance Between Terminals: 0.200 INCHES NOMINAL IN
  • Style Designator: HAT TYPE, 3 WIRE LEADS
  • Test Data Document: 80063-A3110450 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)
  • Terminal Length: 0.600 INCHES MINIMUM IN
  • Frequency Tolerance for Operating Temp in Percent: -0.005 TO 0.005
  • Drive Level Rating: 240.0 MICROWATTS MINIMUM AND 1000.0 MICROWATTS MAXIMUM
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-393-7895, 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 17 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5955-01-393-7895
Primary Part Number104-8-1
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerMicrosemi Corp. - High Performance Timing Dba Vectron International- Cancelled
StatusACTIVE
Equivalent Resistance Value in Ohms40.0 MAXIMUM
Center to Center Distance Between Terminals0.200 INCHES NOMINAL IN
Style DesignatorHAT TYPE, 3 WIRE LEADS
Test Data Document80063-A3110450 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)
Terminal Length0.600 INCHES MINIMUM IN
Frequency Tolerance for Operating Temp in Percent-0.005 TO 0.005
Drive Level Rating240.0 MICROWATTS MINIMUM AND 1000.0 MICROWATTS MAXIMUM
Specification/standard Data80063-A3110450-001 MANUFACTURERS SOURCE CONTROL
Circuit ResonanceANTIRESONANCE
Overall Diameter0.420 INCHES MAXIMUM IN
Diameter0.325 INCHES MAXIMUM IN
Shunt Capacitance in Picofarads7.0 MAXIMUM
Operating Temp Range-45.0 TO 85.0 CELSIUS DEGC
Load Capacitance in Picofarads20.0 NOMINAL
Mode of OscillationTHIRD OVERTONE
Terminal Diameter0.016 INCHES MINIMUM AND 0.029 INCHES MAXIMUM IN
Specified Frequency53.000 MEGAHERTZ
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4730-00-074-01321668280PC1 INTERCHANGEABLE
Sleeve,flared,tube Fitting
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6105-00-128-054310481 INTERCHANGEABLE
Motor-Tachometer Generator
Astronautics Corporation of America
6930-00-474-579910481 INTERCHANGEABLE
Keyer Assembly
Cae Usa Inc.
5310-00-596-75807-118195-209 INTERCHANGEABLE
Washer,flat
Gould Instrument Systems Inc
6660-00-612-709632517 INTERCHANGEABLE
Frame Assy
Belfort Instrument Company
6610-00-758-895410481 INTERCHANGEABLE
Retainer,spool Bush
Ni Industries Inc Thermador/waste King Div
4730-01-055-4017222-2625 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Cnh Industrial America Llc Dba Cnh America
5310-01-549-1948 INTERCHANGEABLE
Nut,plain,hexagon
6160-01-667-12511048-1 INTERCHANGEABLE
Battery Box
Tru-Hitch, Inc.
Cross-Reference Index
Part NumberManufacturer
104-8-1 PRIMARY Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA)
A3110450-001 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
4730-00-074-0132INTERCHANGEABLE
SLEEVE,FLARED,TUBE FITTING
1668280PC1
6105-00-128-0543INTERCHANGEABLE
MOTOR-TACHOMETER GENERATOR
10481
6930-00-474-5799INTERCHANGEABLE
KEYER ASSEMBLY
10481
5310-00-596-7580INTERCHANGEABLE
WASHER,FLAT
7-118195-209
6660-00-612-7096INTERCHANGEABLE
FRAME ASSY
32517
6610-00-758-8954INTERCHANGEABLE
RETAINER,SPOOL BUSH
10481
4730-01-055-4017INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
222-2625
5310-01-549-1948INTERCHANGEABLE
NUT,PLAIN,HEXAGON
6160-01-667-1251INTERCHANGEABLE
BATTERY BOX
1048-1

Frequently Asked Questions

What is NSN 5955-01-393-7895?

NSN 5955-01-393-7895 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 5955-01-393-7895?

NSN 5955-01-393-7895 has 2 cross-referenced part numbers: 104-8-1 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), A3110450-001 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5955-01-393-7895?

There are 9 known substitutes for 5955-01-393-7895: 4730-00-074-0132, 6105-00-128-0543, 6930-00-474-5799 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 104-8-1?

Key specifications for 104-8-1: Equivalent Resistance Value in Ohms: 40.0 MAXIMUM; Center to Center Distance Between Terminals: 0.200 INCHES NOMINAL IN; Style Designator: HAT TYPE, 3 WIRE LEADS; Overall Length: 0.265 INCHES MAXIMUM IN. 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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