PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CD1ACrystal Unit,quartz

Crystek Crystals Corporation Dba Crystek Corp · NSN 5955-01-428-6571 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-01-428-6571 — this item is cataloged by the U.S. Government under National Stock Number 5955-01-428-6571. Primary manufacturer part number: CD1A.
Features
  • Crystal Unit,quartz — FSC 5955
  • Specified Frequency: 1.8432 MEGAHERTZ
  • 1 verified cross-reference
  • Primary manufacturer: Crystek Crystals Corporation Dba Crystek Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-428-6571, 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 Crystek Crystals Corporation Dba Crystek Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5955-01-428-6571
Primary Part NumberCD1A
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerCrystek Crystals Corporation Dba Crystek Corp
StatusACTIVE
Specified Frequency1.8432 MEGAHERTZ
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5945-00-194-1526CD1A INTERCHANGEABLE
Relay,electromagnetic
Leach International Corp Div Leach International Corporation
6645-00-515-4348 INTERCHANGEABLE
Clock,panel
6550-01-649-9731CD1A INTERCHANGEABLE
Reagent Set,blood Grouping Test
Becton, Dickinson and Company
Cross-Reference Index
Part NumberManufacturer
CD1A PRIMARY Crystek Crystals Corporation Dba Crystek Corp (USA)
Related Parts
5945-00-194-1526INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
CD1A
6645-00-515-4348INTERCHANGEABLE
CLOCK,PANEL
6550-01-649-9731INTERCHANGEABLE
REAGENT SET,BLOOD GROUPING TEST
CD1A

Frequently Asked Questions

What is NSN 5955-01-428-6571?

NSN 5955-01-428-6571 is a Crystal Unit,quartz, manufactured by Crystek Crystals Corporation Dba Crystek Corp, classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-01-428-6571?

NSN 5955-01-428-6571 has 1 cross-referenced part number: CD1A (Crystek Crystals Corporation Dba Crystek Corp).

What NSN replaces 5955-01-428-6571?

There are 3 known substitutes for 5955-01-428-6571: 5945-00-194-1526, 6645-00-515-4348, 6550-01-649-9731. Verify interchangeability with system specifications before substitution.

What are the specifications of CD1A?

Key specifications for CD1A: Specified Frequency: 1.8432 MEGAHERTZ. 1 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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