PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-411-102-ACrystal Unit,quartz

Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems · NSN 5955-00-084-8503 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-00-084-8503 — this item is cataloged by the U.S. Government under National Stock Number 5955-00-084-8503. Primary manufacturer part number: A-411-102-A.
Features
  • Crystal Unit,quartz — FSC 5955
  • Overall Thickness: 0.352 INCHES MAXIMUM IN
  • Terminal Diameter: 0.050 INCHES NOMINAL IN
  • Mode of Oscillation: FUNDAMENTAL
  • Operating Temp Range: +0.0 TO 80.0 CELSIUS DEGC
  • Center to Center Distance Between Terminals: 0.486 INCHES NOMINAL IN
  • Terminal Length: 0.238 INCHES NOMINAL IN
  • Criticality Code Justification: FEAT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-084-8503, 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 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5955-00-084-8503
Primary Part NumberA-411-102-A
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
StatusCANCELLED
Overall Thickness0.352 INCHES MAXIMUM IN
Terminal Diameter0.050 INCHES NOMINAL IN
Mode of OscillationFUNDAMENTAL
Operating Temp Range+0.0 TO 80.0 CELSIUS DEGC
Center to Center Distance Between Terminals0.486 INCHES NOMINAL IN
Terminal Length0.238 INCHES NOMINAL IN
Criticality Code JustificationFEAT
Shunt Capacitance in Picofarads32.0 NOMINAL
Body Thickness0.317 INCHES MAXIMUM IN
Drive Level Rating2.0 MILLIWATTS NOMINAL
Frequency Tolerance for Operating Temp in Percent-0.050 TO 0.050
Equivalent Resistance Value in Ohms300.0 NOMINAL
Style DesignatorOVAL BODY, PIN TERMINALS
Body Width0.725 INCHES NOMINAL IN
Specified Frequency1.000 MEGAHERTZ
Body Length0.775 INCHES MAXIMUM IN
Circuit ResonanceSERIES RESONANCE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-255-0327140SM INTERCHANGEABLE
Gasket
Hayes-Dana Incvictor Products
5940-00-518-91281000C152 INTERCHANGEABLE
Terminal Board
Raytheon Company Dba Raytheon Co
5955-00-685-8698 INTERCHANGEABLE
Crystal Unit,quartz
5955-00-686-7228 INTERCHANGEABLE
Crystal Unit,quartz
5955-00-686-7230 INTERCHANGEABLE
Crystal Unit,quartz
5305-00-799-8431 INTERCHANGEABLE
Setscrew
5950-00-822-83124140 INTERCHANGEABLE
Transformer,power
Agilent Technologies, Inc. Div Agilent Technologies Headquarters
3810-00-862-7184 INTERCHANGEABLE
Extension,leg
5305-00-966-46304140 INTERCHANGEABLE
Screw,intermediate
Wakmann Watch Company Inc
4720-01-005-4468FG1837AEE1200 INTERCHANGEABLE
Hose Assembly,nonmetallic
Danfoss Power Solutions II, Llc
Cross-Reference Index
Part NumberManufacturer
BH6A Bliley Technologies Inc (USA)
41-40 Hewlett-Packard Company Dba HP (USA)
A-411-102-A PRIMARY Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
BH6A-1MHZ Bliley Technologies Inc (USA)
BH6A-1.000000MHZ Bliley Technologies Inc (USA)
0410-0013 Hewlett-Packard Company Dba HP (USA)
A-L11-102-A Loral Corp (USA)
Related Parts
5330-00-255-0327INTERCHANGEABLE
GASKET
140SM
5940-00-518-9128INTERCHANGEABLE
TERMINAL BOARD
1000C152
5955-00-685-8698INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-686-7228INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-686-7230INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5305-00-799-8431INTERCHANGEABLE
SETSCREW
5950-00-822-8312INTERCHANGEABLE
TRANSFORMER,POWER
4140
3810-00-862-7184INTERCHANGEABLE
EXTENSION,LEG
5305-00-966-4630INTERCHANGEABLE
SCREW,INTERMEDIATE
4140
4720-01-005-4468INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
FG1837AEE1200
3020-01-282-5792INTERCHANGEABLE
PULLEY,GROOVE
4140
5120-01-335-9049INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5955-00-084-8503?

NSN 5955-00-084-8503 is a Crystal Unit,quartz, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems, classified under FSC 5955 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5955-00-084-8503?

NSN 5955-00-084-8503 has 7 cross-referenced part numbers: BH6A (Bliley Technologies Inc), 41-40 (Hewlett-Packard Company Dba HP), A-411-102-A (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), BH6A-1MHZ (Bliley Technologies Inc), BH6A-1.000000MHZ (Bliley Technologies Inc) and 2 more.

What NSN replaces 5955-00-084-8503?

There are 12 known substitutes for 5955-00-084-8503: 5330-00-255-0327, 5940-00-518-9128, 5955-00-685-8698 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-411-102-A?

Key specifications for A-411-102-A: Overall Thickness: 0.352 INCHES MAXIMUM IN; Terminal Diameter: 0.050 INCHES NOMINAL IN; Mode of Oscillation: FUNDAMENTAL; Operating Temp Range: +0.0 TO 80.0 CELSIUS DEGC. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5955-00-084-8503 still in active supply?

NSN 5955-00-084-8503 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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