PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CY05-01Crystal Unit,quartz

Eldec Aerospace Corp · NSN 5955-01-200-8287 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-01-200-8287 — this item is cataloged by the U.S. Government under National Stock Number 5955-01-200-8287. Primary manufacturer part number: CY05-01.
Features
  • Crystal Unit,quartz — FSC 5955
  • Body Width: 0.402 INCHES NOMINAL IN
  • Mode of Oscillation: FUNDAMENTAL
  • Drive Level Rating: 2.0 MILLIWATTS NOMINAL
  • Frequency Tolerance for Operating Temp in Percent: -0.005 TO 0.005
  • Center to Center Distance Between Terminals: 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
  • Equivalent Resistance Value in Ohms: 75.0 MAXIMUM
  • Style Designator: OVAL BODY, WIRE LEADS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-200-8287, 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 Eldec Aerospace Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5955-01-200-8287
Primary Part NumberCY05-01
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerEldec Aerospace Corp
StatusACTIVE
Body Width0.402 INCHES NOMINAL IN
Mode of OscillationFUNDAMENTAL
Drive Level Rating2.0 MILLIWATTS NOMINAL
Frequency Tolerance for Operating Temp in Percent-0.005 TO 0.005
Center to Center Distance Between Terminals0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
Equivalent Resistance Value in Ohms75.0 MAXIMUM
Style DesignatorOVAL BODY, WIRE LEADS
Operating Temp Range-45.0 TO 70.0 CELSIUS DEGC
Terminal Length1.500 INCHES MINIMUM IN
Body Thickness0.150 INCHES NOMINAL IN
Terminal Diameter0.015 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
Overall Thickness0.183 INCHES MAXIMUM IN
Specified Frequency4.000 MEGAHERTZ
Circuit ResonanceSERIES RESONANCE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5999-00-289-9878301-4498048PC20 INTERCHANGEABLE
Clamp,electrical
Naval Sea Systems Command
5999-00-500-9344B40 INTERCHANGEABLE
Heater,thermal Release
Schneider Electric Usa, Inc. Dba Schneider Electric
5975-00-681-4728 INTERCHANGEABLE
Bushing,electrical Conduit
7920-01-200-7218B-400 INTERCHANGEABLE
Brush,wire,scratch
Ampco Partners, Ltd. Dba Ampco Safety Tools
6510-01-367-5273B400 INTERCHANGEABLE
Adhesive Liquid,surgical
Factor II, Inc. Dba Factor II Inc
1740-01-442-4321 INTERCHANGEABLE
Tractor,wheeled,aircraft Towing
5998-01-455-5701B400 INTERCHANGEABLE
Circuit Card Assembly
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
5975-01-561-2539 INTERCHANGEABLE
Bushing,electrical Conduit
Cross-Reference Index
Part NumberManufacturer
B400 Power Control Devices Inc (USA)
B400-4.000000MHZ Power Control Devices Inc (USA)
CY05-01 PRIMARY Eldec Aerospace Corp (USA)
B400-4.000000MHZ Power Control Devices, Inc. (USA)
Related Parts
5999-00-289-9878INTERCHANGEABLE
CLAMP,ELECTRICAL
301-4498048PC20
5999-00-500-9344INTERCHANGEABLE
HEATER,THERMAL RELEASE
B40
5975-00-681-4728INTERCHANGEABLE
BUSHING,ELECTRICAL CONDUIT
7920-01-200-7218INTERCHANGEABLE
BRUSH,WIRE,SCRATCH
B-400
6510-01-367-5273INTERCHANGEABLE
ADHESIVE LIQUID,SURGICAL
B400
1740-01-442-4321INTERCHANGEABLE
TRACTOR,WHEELED,AIRCRAFT TOWING
5998-01-455-5701INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
B400
5975-01-561-2539INTERCHANGEABLE
BUSHING,ELECTRICAL CONDUIT

Frequently Asked Questions

What is NSN 5955-01-200-8287?

NSN 5955-01-200-8287 is a Crystal Unit,quartz, manufactured by Eldec Aerospace Corp, classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-01-200-8287?

NSN 5955-01-200-8287 has 4 cross-referenced part numbers: B400 (Power Control Devices Inc), B400-4.000000MHZ (Power Control Devices Inc), CY05-01 (Eldec Aerospace Corp), B400-4.000000MHZ (Power Control Devices, Inc.).

What NSN replaces 5955-01-200-8287?

There are 8 known substitutes for 5955-01-200-8287: 5999-00-289-9878, 5999-00-500-9344, 5975-00-681-4728 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CY05-01?

Key specifications for CY05-01: Body Width: 0.402 INCHES NOMINAL IN; Mode of Oscillation: FUNDAMENTAL; Drive Level Rating: 2.0 MILLIWATTS NOMINAL; Frequency Tolerance for Operating Temp in Percent: -0.005 TO 0.005. 16 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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