PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PA60187-1Oscillator,crystal Controlled

Raytheon Company Dba Raytheon · NSN 5955-01-178-8269 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-01-178-8269 — this item is cataloged by the U.S. Government under National Stock Number 5955-01-178-8269. Primary manufacturer part number: PA60187-1.
Features
  • Oscillator,crystal Controlled — FSC 5955
  • Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC
  • Average Life Measurement: NOT RATED
  • Identification Designator: PA60187-1-82577
  • Inclosure Type: HERMETICALLY SEALED
  • External DC Operating Voltage in Volts: 5.0 NOMINAL SINGLE VOLTAGE
  • Connection Type: PIN BOTTOM
  • Circuit Construction Type: SOLID STATE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-178-8269, 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 Raytheon Company Dba Raytheon. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5955-01-178-8269
Primary Part NumberPA60187-1
Item NameOscillator,crystal Controlled
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Average Life MeasurementNOT RATED
Identification DesignatorPA60187-1-82577
Inclosure TypeHERMETICALLY SEALED
External DC Operating Voltage in Volts5.0 NOMINAL SINGLE VOLTAGE
Connection TypePIN BOTTOM
Circuit Construction TypeSOLID STATE
Frequency Per Channel31.5 KILOHERTZ NOMINAL OPERATING CHANNEL
Connection Contact Type and Quantity14 PIN EXTERNAL
Basic Shape StyleRECTANGULAR OR SQUARE
Installation DesignMODULE
Operating Control MethodAUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3455-00-266-9450 INTERCHANGEABLE
File,rotary
6810-00-281-7450 INTERCHANGEABLE
Mercury
6810-00-281-7452 INTERCHANGEABLE
Mercury
6810-00-281-7453 INTERCHANGEABLE
Mercury
4810-00-408-19652564 INTERCHANGEABLE
Indicator,actuator
Grimes Aerospace Company
5330-00-582-3993042757 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
5325-00-641-2800 INTERCHANGEABLE
Grommet,nonmetallic
5975-00-669-9884 INTERCHANGEABLE
Box Connector,electrical
5975-00-825-67282564 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5305-00-838-980030155-2-4 INTERCHANGEABLE
Screw,cap,socket Head
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
Cross-Reference Index
Part NumberManufacturer
MC757A1-001 Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA)
2564 Oscillatek Corp P O Box 5160 Norwalk Ct 06856-5160 (USA)
M55310/15B01A-31M50000 Xsis Electronics Inc (USA)
MCM695 Q-Tech Corp Dba Q-Tech Corp (USA)
PA60187-1 PRIMARY Raytheon Company Dba Raytheon (USA)
XM15B01-0002-31.5MHZ Xsis Electronics Inc (USA)
2564 Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA)
Related Parts
3455-00-266-9450INTERCHANGEABLE
FILE,ROTARY
6810-00-281-7450INTERCHANGEABLE
MERCURY
6810-00-281-7452INTERCHANGEABLE
MERCURY
6810-00-281-7453INTERCHANGEABLE
MERCURY
4810-00-408-1965INTERCHANGEABLE
INDICATOR,ACTUATOR
2564
5330-00-582-3993INTERCHANGEABLE
GASKET
042757
5325-00-641-2800INTERCHANGEABLE
GROMMET,NONMETALLIC
5975-00-669-9884INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5975-00-825-6728INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
2564
5305-00-838-9800INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
30155-2-4
5340-01-142-3202INTERCHANGEABLE
BRACKET,ANGLE
2564
4820-01-215-1201INTERCHANGEABLE
VALVE,GLOBE
25-64

Frequently Asked Questions

What is NSN 5955-01-178-8269?

NSN 5955-01-178-8269 is a Oscillator,crystal Controlled, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-01-178-8269?

NSN 5955-01-178-8269 has 7 cross-referenced part numbers: MC757A1-001 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), 2564 (Oscillatek Corp P O Box 5160 Norwalk Ct 06856-5160), M55310/15B01A-31M50000 (Xsis Electronics Inc), MCM695 (Q-Tech Corp Dba Q-Tech Corp), PA60187-1 (Raytheon Company Dba Raytheon) and 2 more.

What NSN replaces 5955-01-178-8269?

There are 12 known substitutes for 5955-01-178-8269: 3455-00-266-9450, 6810-00-281-7450, 6810-00-281-7452 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PA60187-1?

Key specifications for PA60187-1: Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC; Average Life Measurement: NOT RATED; Identification Designator: PA60187-1-82577; Inclosure Type: HERMETICALLY SEALED. 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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