PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8415555-5Crystal Unit,quartz

L3 Technologies, Inc. Div Communication Systems-East · NSN 5955-00-988-0831 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-00-988-0831 — this item is cataloged by the U.S. Government under National Stock Number 5955-00-988-0831. Primary manufacturer part number: 8415555-5.
Features
  • Crystal Unit,quartz — FSC 5955
  • Shunt Capacitance in Picofarads: 10.0 MAXIMUM
  • Terminal Length: 0.238 INCHES NOMINAL IN
  • Body Width: 0.725 INCHES MAXIMUM IN
  • Drive Level Rating: 1000.0 MICROWATTS MAXIMUM
  • Operating Temp Range: -45.0 TO 70.0 CELSIUS DEGC
  • Frequency Tolerance for Operating Temp in Percent: -0.012 TO 0.012
  • Style Designator: OVAL BODY, PIN TERMINALS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-988-0831, 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 L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 16 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5955-00-988-0831
Primary Part Number8415555-5
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div Communication Systems-East
StatusACTIVE
Shunt Capacitance in Picofarads10.0 MAXIMUM
Terminal Length0.238 INCHES NOMINAL IN
Body Width0.725 INCHES MAXIMUM IN
Drive Level Rating1000.0 MICROWATTS MAXIMUM
Operating Temp Range-45.0 TO 70.0 CELSIUS DEGC
Frequency Tolerance for Operating Temp in Percent-0.012 TO 0.012
Style DesignatorOVAL BODY, PIN TERMINALS
Equivalent Resistance Value in Ohms600.0 MAXIMUM
Center to Center Distance Between Terminals0.486 INCHES NOMINAL IN
Terminal Diameter0.050 INCHES NOMINAL IN
Overall Thickness0.352 INCHES MAXIMUM IN
Circuit ResonanceSERIES RESONANCE
Specified Frequency115.200 KILOHERTZ
Body Thickness0.317 INCHES MAXIMUM IN
Mode of OscillationFUNDAMENTAL
Body Length1.776 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5315-00-164-1879203255 INTERCHANGEABLE
Pin,shifter
Clark Material Handling Company
5330-01-530-0753203255 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
Cross-Reference Index
Part NumberManufacturer
8415555-5 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
20325-5 Murata Erie North America Inc State College Opns (USA)
8415555-5 PRIMARY L3 Technologies, Inc. Div Communication Systems-East (USA)
Related Parts
5315-00-164-1879INTERCHANGEABLE
PIN,SHIFTER
203255
5330-01-530-0753INTERCHANGEABLE
GASKET
203255

Frequently Asked Questions

What is NSN 5955-00-988-0831?

NSN 5955-00-988-0831 is a Crystal Unit,quartz, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-00-988-0831?

NSN 5955-00-988-0831 has 3 cross-referenced part numbers: 8415555-5 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 20325-5 (Murata Erie North America Inc State College Opns), 8415555-5 (L3 Technologies, Inc. Div Communication Systems-East).

What NSN replaces 5955-00-988-0831?

There are 2 known substitutes for 5955-00-988-0831: 5315-00-164-1879, 5330-01-530-0753. Verify interchangeability with system specifications before substitution.

What are the specifications of 8415555-5?

Key specifications for 8415555-5: Shunt Capacitance in Picofarads: 10.0 MAXIMUM; Terminal Length: 0.238 INCHES NOMINAL IN; Body Width: 0.725 INCHES MAXIMUM IN; Drive Level Rating: 1000.0 MICROWATTS MAXIMUM. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com