PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G9-12KCCrystal Unit,quartz

Cts Inc · NSN 5955-00-827-7200 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-00-827-7200 — this item is cataloged by the U.S. Government under National Stock Number 5955-00-827-7200. Primary manufacturer part number: G9-12KC.
Features
  • Crystal Unit,quartz — FSC 5955
  • Frequency Tolerance for Operating Temp in Percent: -0.030 TO 0.030
  • Equivalent Resistance Value in Ohms: 150.0 NOMINAL
  • Operating Temp Range: -55.0 TO 75.0 CELSIUS DEGC
  • Style Designator: OCTAL TUBE BASE
  • Body Length: 2.312 INCHES MAXIMUM IN
  • Diameter: 1.188 INCHES MAXIMUM IN
  • Material: GLASS COVER HOLDER
Applications
  • Applications requiring Glass Cover Holder construction
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-827-7200, 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 Cts Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN5955-00-827-7200
Primary Part NumberG9-12KC
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerCts Inc
StatusACTIVE
Frequency Tolerance for Operating Temp in Percent-0.030 TO 0.030
Equivalent Resistance Value in Ohms150.0 NOMINAL
Operating Temp Range-55.0 TO 75.0 CELSIUS DEGC
Style DesignatorOCTAL TUBE BASE
Body Length2.312 INCHES MAXIMUM IN
Diameter1.188 INCHES MAXIMUM IN
MaterialGLASS COVER HOLDER
Overall Diameter1.281 INCHES MAXIMUM IN
Specified Frequency12.000 KILOHERTZ
Mode of OscillationFUNDAMENTAL
Circuit ResonanceSERIES RESONANCE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-516-3255022119A INTERCHANGEABLE
Gasket Engine Pump
Brinkley Technology Group Llc Dba Hercules Manufacturing
5962-01-223-645841512 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
5307-01-272-5511 INTERCHANGEABLE
Stud,plain
4720-01-343-578241512 INTERCHANGEABLE
Hose Assembly,nonmetallic
Sullair Corp
7510-01-435-853741512 INTERCHANGEABLE
Portfolio
Franklin Covey Co Government Group Products
4810-01-479-518541512 INTERCHANGEABLE
Sleeve,directional Control Linea
Moog Inc. Dba Ampac-Isp Corp
7310-01-588-090141512 INTERCHANGEABLE
Steam Kettle Cover
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7025-01-641-390241512 INTERCHANGEABLE
Interface Unit,automatic Data Pr
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Cross-Reference Index
Part NumberManufacturer
G9-12KC PRIMARY Cts Inc (USA)
4151-2 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
4151-2 Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA)
Related Parts
5330-00-516-3255INTERCHANGEABLE
GASKET ENGINE PUMP
022119A
5962-01-223-6458INTERCHANGEABLE
MICROCIRCUIT,MEMORY
41512
5307-01-272-5511INTERCHANGEABLE
STUD,PLAIN
4720-01-343-5782INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
41512
7510-01-435-8537INTERCHANGEABLE
PORTFOLIO
41512
4810-01-479-5185INTERCHANGEABLE
SLEEVE,DIRECTIONAL CONTROL LINEA
41512
7310-01-588-0901INTERCHANGEABLE
STEAM KETTLE COVER
41512
7025-01-641-3902INTERCHANGEABLE
INTERFACE UNIT,AUTOMATIC DATA PR
41512

Frequently Asked Questions

What is NSN 5955-00-827-7200?

NSN 5955-00-827-7200 is a Crystal Unit,quartz, manufactured by Cts Inc, classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-00-827-7200?

NSN 5955-00-827-7200 has 3 cross-referenced part numbers: G9-12KC (Cts Inc), 4151-2 (L3harris Technologies, Inc. Div Space and Airborne Systems), 4151-2 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled).

What NSN replaces 5955-00-827-7200?

There are 8 known substitutes for 5955-00-827-7200: 5330-00-516-3255, 5962-01-223-6458, 5307-01-272-5511 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of G9-12KC?

Key specifications for G9-12KC: Frequency Tolerance for Operating Temp in Percent: -0.030 TO 0.030; Equivalent Resistance Value in Ohms: 150.0 NOMINAL; Operating Temp Range: -55.0 TO 75.0 CELSIUS DEGC; Style Designator: OCTAL TUBE BASE. 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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