PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28-9-1Crystal Unit,quartz

Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled · NSN 5955-00-483-5499 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-00-483-5499 — this item is cataloged by the U.S. Government under National Stock Number 5955-00-483-5499. Primary manufacturer part number: 28-9-1.
Features
  • Crystal Unit,quartz — FSC 5955
  • Specified Frequency: 65.000 MEGAHERTZ
  • Terminal Diameter: 0.040 INCHES NOMINAL IN
  • Center to Center Distance Between Terminals: 0.275 INCHES NOMINAL IN
  • Body Thickness: 0.210 INCHES MAXIMUM IN
  • Style Designator: OVAL BODY, PIN TERMINALS
  • Body Length: 0.650 INCHES MAXIMUM IN
  • Terminal Length: 0.248 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-483-5499, 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 9 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5955-00-483-5499
Primary Part Number28-9-1
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerMicrosemi Corp. - High Performance Timing Dba Vectron International- Cancelled
StatusACTIVE
Specified Frequency65.000 MEGAHERTZ
Terminal Diameter0.040 INCHES NOMINAL IN
Center to Center Distance Between Terminals0.275 INCHES NOMINAL IN
Body Thickness0.210 INCHES MAXIMUM IN
Style DesignatorOVAL BODY, PIN TERMINALS
Body Length0.650 INCHES MAXIMUM IN
Terminal Length0.248 INCHES MAXIMUM IN
Overall Thickness0.240 INCHES MAXIMUM IN
Body Width0.535 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4330-00-392-455912357-09-50-0035 INTERCHANGEABLE
Filter,fluid
Solventum Purification Inc. Div Filtration and Separation Division
5915-00-405-01602891 INTERCHANGEABLE
Network,impedance
Moog Inc.
5950-00-648-3364 INTERCHANGEABLE
Reactor
2520-00-737-83272891 INTERCHANGEABLE
Cover,transmission
Clark Material Handling Company
2530-00-891-65513780208 INTERCHANGEABLE
Parts Kit,air-Hydraulic Brake SL
General Motors Llc Dba General Motors Llc
3020-00-891-76995135227 INTERCHANGEABLE
Gear,helical
Rolls-Royce Solutions America Inc
4730-01-100-2126 INTERCHANGEABLE
Coupling,drainage Pipe
6625-01-139-2221 INTERCHANGEABLE
Resistor,decade
4820-01-270-64222891 INTERCHANGEABLE
Valve,ball
Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company
7910-01-314-3538 INTERCHANGEABLE
Brush,switchboard
Cross-Reference Index
Part NumberManufacturer
28-9-1 PRIMARY Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA)
M25-1-65MC Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA)
Related Parts
4330-00-392-4559INTERCHANGEABLE
FILTER,FLUID
12357-09-50-0035
5915-00-405-0160INTERCHANGEABLE
NETWORK,IMPEDANCE
2891
5950-00-648-3364INTERCHANGEABLE
REACTOR
2520-00-737-8327INTERCHANGEABLE
COVER,TRANSMISSION
2891
2530-00-891-6551INTERCHANGEABLE
PARTS KIT,AIR-HYDRAULIC BRAKE SL
3780208
3020-00-891-7699INTERCHANGEABLE
GEAR,HELICAL
5135227
4730-01-100-2126INTERCHANGEABLE
COUPLING,DRAINAGE PIPE
6625-01-139-2221INTERCHANGEABLE
RESISTOR,DECADE
4820-01-270-6422INTERCHANGEABLE
VALVE,BALL
2891
7910-01-314-3538INTERCHANGEABLE
BRUSH,SWITCHBOARD

Frequently Asked Questions

What is NSN 5955-00-483-5499?

NSN 5955-00-483-5499 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 5955-00-483-5499?

NSN 5955-00-483-5499 has 2 cross-referenced part numbers: 28-9-1 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), M25-1-65MC (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled).

What NSN replaces 5955-00-483-5499?

There are 10 known substitutes for 5955-00-483-5499: 4330-00-392-4559, 5915-00-405-0160, 5950-00-648-3364 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 28-9-1?

Key specifications for 28-9-1: Overall Length: 0.898 INCHES MAXIMUM IN; Specified Frequency: 65.000 MEGAHERTZ; Terminal Diameter: 0.040 INCHES NOMINAL IN; Center to Center Distance Between Terminals: 0.275 INCHES NOMINAL IN. 11 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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