PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

193-1-1Crystal Unit,quartz

U S Dept of Transportation Federal Aviation Administration · NSN 5955-01-314-2255 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-01-314-2255 — this item is cataloged by the U.S. Government under National Stock Number 5955-01-314-2255. Primary manufacturer part number: 193-1-1.
Features
  • Crystal Unit,quartz — FSC 5955
  • 2 verified cross-references
  • Primary manufacturer: U S Dept of Transportation Federal Aviation Administration
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-314-2255, 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 U S Dept of Transportation Federal Aviation Administration. This item has 2 commercial cross-references from 2 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
NSN5955-01-314-2255
Primary Part Number193-1-1
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerU S Dept of Transportation Federal Aviation Administration
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6625-00-003-1356 INTERCHANGEABLE
Voltmeter
1630-00-045-940619311 INTERCHANGEABLE
Guide,brake,thermal
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
3110-00-100-0351160490 INTERCHANGEABLE
Cup,tapered Roller Bearing
Acf Industries Inc
4330-00-163-036299119311 INTERCHANGEABLE
Cover
Alfa Laval Inc
5930-00-246-8391 INTERCHANGEABLE
Switch,rotary
6685-00-252-9427 INTERCHANGEABLE
Thermometer,self-Indicating
5935-00-258-7213 INTERCHANGEABLE
Connector,plug,electrical
6210-00-283-9741 INTERCHANGEABLE
Housing,light
4820-00-289-21764DP2091APC330-1 INTERCHANGEABLE
Valve,check
The Walworth Company
6145-00-728-3278 INTERCHANGEABLE
Cable,power,electrical
Cross-Reference Index
Part NumberManufacturer
193-1-1 PRIMARY U S Dept of Transportation Federal Aviation Administration (USA)
193-1 Wenzel International Inc Div Croven Crystals (CAN)
Related Parts
6625-00-003-1356INTERCHANGEABLE
VOLTMETER
1630-00-045-9406INTERCHANGEABLE
GUIDE,BRAKE,THERMAL
19311
3110-00-100-0351INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
160490
4330-00-163-0362INTERCHANGEABLE
COVER
99119311
5930-00-246-8391INTERCHANGEABLE
SWITCH,ROTARY
6685-00-252-9427INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
5935-00-258-7213INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
6210-00-283-9741INTERCHANGEABLE
HOUSING,LIGHT
4820-00-289-2176INTERCHANGEABLE
VALVE,CHECK
4DP2091APC330-1
6145-00-728-3278INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
6250-00-775-8828INTERCHANGEABLE
LAMPHOLDER
1931
2920-00-832-0150INTERCHANGEABLE
SWITCH,LOCK,IGNITION
AR58126

Frequently Asked Questions

What is NSN 5955-01-314-2255?

NSN 5955-01-314-2255 is a Crystal Unit,quartz, manufactured by U S Dept of Transportation Federal Aviation Administration, classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-01-314-2255?

NSN 5955-01-314-2255 has 2 cross-referenced part numbers: 193-1-1 (U S Dept of Transportation Federal Aviation Administration), 193-1 (Wenzel International Inc Div Croven Crystals).

What NSN replaces 5955-01-314-2255?

There are 12 known substitutes for 5955-01-314-2255: 6625-00-003-1356, 1630-00-045-9406, 3110-00-100-0351 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 193-1-1?

Key specifications for 193-1-1: Special Features: 4.000000 MHZ CRYSTAL, HC-49 HOLDER, +/-70 PPM OVER -55 TO +125 DEG. C AND MAXIMUM SERIES RESISTANCE OF 120 OHMS MHz; End Item Identification: AIRPORT SURVEILLANCE RADAR 9 (ASR9). 2 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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