PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

972368-0019Crystal Unit,quartz

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5955-01-349-8457 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-01-349-8457 — this item is cataloged by the U.S. Government under National Stock Number 5955-01-349-8457. Primary manufacturer part number: 972368-0019.
Features
  • Crystal Unit,quartz — FSC 5955
  • Center to Center Distance Between Terminals: 0.200 INCHES NOMINAL IN
  • Drive Level Rating: 2.0 MILLIWATTS MAXIMUM
  • Specified Frequency: 15.000 MEGAHERTZ
  • Frequency Tolerance for Operating Temp in Percent: -0.010 TO 0.010
  • Circuit Resonance: ANTIRESONANCE
  • Terminal Length: 0.500 INCHES MINIMUM IN
  • Mode of Oscillation: FUNDAMENTAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-349-8457, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 15 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5955-01-349-8457
Primary Part Number972368-0019
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Center to Center Distance Between Terminals0.200 INCHES NOMINAL IN
Drive Level Rating2.0 MILLIWATTS MAXIMUM
Specified Frequency15.000 MEGAHERTZ
Frequency Tolerance for Operating Temp in Percent-0.010 TO 0.010
Circuit ResonanceANTIRESONANCE
Terminal Length0.500 INCHES MINIMUM IN
Mode of OscillationFUNDAMENTAL
Overall Diameter0.410 INCHES MAXIMUM IN
Terminal Diameter0.016 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
Load Capacitance in Picofarads31.0 MINIMUM AND 33.0 MAXIMUM
Shunt Capacitance in Picofarads5.0 MAXIMUM
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Equivalent Resistance Value in Ohms30.0 MAXIMUM
Diameter0.335 INCHES MAXIMUM IN
Style DesignatorHAT TYPE, 3 WIRE LEADS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5821-00-317-5104 INTERCHANGEABLE
Bracket and Snapsli
4320-01-198-3080 INTERCHANGEABLE
Motor,hydraulic
2520-01-331-060220728 INTERCHANGEABLE
Parts Kit,universal Joint
Trw Inc Trw Intl Trade Government Sales Dept
5985-01-380-998720728 INTERCHANGEABLE
Waveguide Assembly
Waveline Inc
3040-01-392-0364NOKBV 20728/ 10333 INTERCHANGEABLE
Collar,shaft
Skf Usa Inc Dba Skf Usa Inc
4410-01-438-050956219 INTERCHANGEABLE
Heating Element,electrical,immer
Indeeco Llc Dba Indeeco
4810-01-529-293556219 INTERCHANGEABLE
Guide,valve Stem
Leslie Controls, Inc. Dba Leslie Controls Inc
5920-01-575-722456-219 INTERCHANGEABLE
Block,telephone Protector
Lockheed Martin Corporation
2510-01-707-869720728-01 INTERCHANGEABLE
Hanger,spring,vehicle
Hutchens Industries Inc
Cross-Reference Index
Part NumberManufacturer
972368-0019 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
56-2-19 Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA)
20728 Cts Reeves Frequency Products (USA)
Related Parts
5821-00-317-5104INTERCHANGEABLE
BRACKET AND SNAPSLI
4320-01-198-3080INTERCHANGEABLE
MOTOR,HYDRAULIC
2520-01-331-0602INTERCHANGEABLE
PARTS KIT,UNIVERSAL JOINT
20728
5985-01-380-9987INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
20728
3040-01-392-0364INTERCHANGEABLE
COLLAR,SHAFT
NOKBV 20728/ 10333
4410-01-438-0509INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,IMMER
56219
4810-01-529-2935INTERCHANGEABLE
GUIDE,VALVE STEM
56219
5920-01-575-7224INTERCHANGEABLE
BLOCK,TELEPHONE PROTECTOR
56-219
2510-01-707-8697INTERCHANGEABLE
HANGER,SPRING,VEHICLE
20728-01

Frequently Asked Questions

What is NSN 5955-01-349-8457?

NSN 5955-01-349-8457 is a Crystal Unit,quartz, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-01-349-8457?

NSN 5955-01-349-8457 has 3 cross-referenced part numbers: 972368-0019 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 56-2-19 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), 20728 (Cts Reeves Frequency Products).

What NSN replaces 5955-01-349-8457?

There are 9 known substitutes for 5955-01-349-8457: 5821-00-317-5104, 4320-01-198-3080, 2520-01-331-0602 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 972368-0019?

Key specifications for 972368-0019: Center to Center Distance Between Terminals: 0.200 INCHES NOMINAL IN; Drive Level Rating: 2.0 MILLIWATTS MAXIMUM; Specified Frequency: 15.000 MEGAHERTZ; Frequency Tolerance for Operating Temp in Percent: -0.010 TO 0.010. 17 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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