PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MC9Crystal Unit,quartz

Bliley Technologies Inc · NSN 5955-00-552-0712 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-00-552-0712 — this item is cataloged by the U.S. Government under National Stock Number 5955-00-552-0712. Primary manufacturer part number: MC9.
Features
  • Crystal Unit,quartz — FSC 5955
  • Mode of Oscillation: FUNDAMENTAL
  • Center to Center Distance Between Terminals: 0.486 INCHES NOMINAL IN
  • Terminal Diameter: 0.093 INCHES NOMINAL IN
  • Style Designator: RECTANGULAR BODY, PIN TERMINALS
  • Specified Frequency: 4.625 MEGAHERTZ
  • Overall Thickness: 0.437 INCHES NOMINAL IN
  • Terminal Length: 0.400 INCHES NOMINAL 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 5955-00-552-0712, 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 Bliley Technologies Inc. Government technical data includes 10 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5955-00-552-0712
Primary Part NumberMC9
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerBliley Technologies Inc
StatusACTIVE
Mode of OscillationFUNDAMENTAL
Center to Center Distance Between Terminals0.486 INCHES NOMINAL IN
Terminal Diameter0.093 INCHES NOMINAL IN
Style DesignatorRECTANGULAR BODY, PIN TERMINALS
Specified Frequency4.625 MEGAHERTZ
Overall Thickness0.437 INCHES NOMINAL IN
Terminal Length0.400 INCHES NOMINAL IN
Operating Temp Range-55.0 TO 90.0 CELSIUS DEGC
Frequency Tolerance for Operating Temp in Percent-0.020 TO 0.020
Body Length1.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-120-332734159A9 INTERCHANGEABLE
Bearing,roller,needle
Terex American Crane Corp
Cross-Reference Index
Part NumberManufacturer
MC9 PRIMARY Bliley Technologies Inc (USA)
CR5U Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3110-00-120-3327INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
34159A9

Frequently Asked Questions

What is NSN 5955-00-552-0712?

NSN 5955-00-552-0712 is a Crystal Unit,quartz, manufactured by Bliley Technologies Inc, classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-00-552-0712?

NSN 5955-00-552-0712 has 2 cross-referenced part numbers: MC9 (Bliley Technologies Inc), CR5U (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5955-00-552-0712?

There is 1 known substitute for 5955-00-552-0712: 3110-00-120-3327. Verify interchangeability with system specifications before substitution.

What are the specifications of MC9?

Key specifications for MC9: Mode of Oscillation: FUNDAMENTAL; Center to Center Distance Between Terminals: 0.486 INCHES NOMINAL IN; Terminal Diameter: 0.093 INCHES NOMINAL IN; Style Designator: RECTANGULAR BODY, PIN TERMINALS. 12 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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