PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37039Crystal Unit,quartz

Thales Defense & Security Inc Dba Thales Communications Inc · NSN 5955-01-218-0456 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-01-218-0456 — this item is cataloged by the U.S. Government under National Stock Number 5955-01-218-0456. Primary manufacturer part number: 37039.
Features
  • Crystal Unit,quartz — FSC 5955
  • Specified Frequency: 20.0000 MEGAHERTZ
  • 2 verified cross-references
  • Primary manufacturer: Thales Defense & Security Inc Dba Thales Communications Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-218-0456, 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 Thales Defense & Security Inc Dba Thales Communications Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN5955-01-218-0456
Primary Part Number37039
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerThales Defense & Security Inc Dba Thales Communications Inc
StatusACTIVE
Specified Frequency20.0000 MEGAHERTZ
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6640-00-054-188037034A INTERCHANGEABLE
Pipet,serological
Kimble Glass Inc Sub of Owens-Illinois Inc
2530-00-482-3543 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
4730-00-952-00362049-12-12S INTERCHANGEABLE
Elbow,pipe
Danfoss Power Solutions II, Llc
Cross-Reference Index
Part NumberManufacturer
37039 Thales Defense & Security Inc Dba Thales Communications Inc (USA)
37039 United States Crystal Corp (USA)
Related Parts
6640-00-054-1880INTERCHANGEABLE
PIPET,SEROLOGICAL
37034A
2530-00-482-3543INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
4730-00-952-0036INTERCHANGEABLE
ELBOW,PIPE
2049-12-12S

Frequently Asked Questions

What is NSN 5955-01-218-0456?

NSN 5955-01-218-0456 is a Crystal Unit,quartz, manufactured by Thales Defense & Security Inc Dba Thales Communications Inc, classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-01-218-0456?

NSN 5955-01-218-0456 has 2 cross-referenced part numbers: 37039 (Thales Defense & Security Inc Dba Thales Communications Inc), 37039 (United States Crystal Corp).

What NSN replaces 5955-01-218-0456?

There are 3 known substitutes for 5955-01-218-0456: 6640-00-054-1880, 2530-00-482-3543, 4730-00-952-0036. Verify interchangeability with system specifications before substitution.

What are the specifications of 37039?

Key specifications for 37039: Specified Frequency: 20.0000 MEGAHERTZ; End Item Identification: R-2174(P)/URR,R-2174A(P)/URR NSN 5820010920435 A. 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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