PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

48-20-1Crystal Unit,quartz

Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled · NSN 5955-01-178-2316 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-01-178-2316 — this item is cataloged by the U.S. Government under National Stock Number 5955-01-178-2316. Primary manufacturer part number: 48-20-1.
Features
  • Crystal Unit,quartz — FSC 5955
  • Operating Temp Range: -40.0 TO 85.0 CELSIUS DEGC
  • Specified Frequency: 524.288 HERTZ
  • Overall Thickness: 0.352 INCHES MAXIMUM IN
  • Body Width: 0.725 INCHES MAXIMUM IN
  • Terminal Length: 0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN
  • Circuit Resonance: SERIES RESONANCE
  • Drive Level Rating: 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-178-2316, 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 Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5955-01-178-2316
Primary Part Number48-20-1
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerMicrosemi Corp. - High Performance Timing Dba Vectron International- Cancelled
StatusACTIVE
Operating Temp Range-40.0 TO 85.0 CELSIUS DEGC
Specified Frequency524.288 HERTZ
Overall Thickness0.352 INCHES MAXIMUM IN
Body Width0.725 INCHES MAXIMUM IN
Terminal Length0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN
Circuit ResonanceSERIES RESONANCE
Drive Level Rating1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM
Equivalent Resistance Value in Ohms3000.0 MAXIMUM
Center to Center Distance Between Terminals0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
Specification/standard Data78022-SCDCE0156 MANUFACTURERS SOURCE CONTROL
Style DesignatorOVAL BODY, PIN TERMINALS
Frequency Tolerance for Operating Temp in Percent-0.010 TO 0.010
Terminal Diameter0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
Body Thickness0.317 INCHES MAXIMUM IN
Body Length0.775 INCHES MAXIMUM IN
Mode of OscillationFUNDAMENTAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4820-00-757-2954482-01 INTERCHANGEABLE
Diaphragm,valve,flat
Norgren C a Co
5315-01-079-824048202 INTERCHANGEABLE
Pin,straight,headless
Leroi International Inc Dba Compair Leroi
5935-01-138-9617013012-2001 INTERCHANGEABLE
Connector,plug,electrical
Smiths Interconnect Americas, Inc
6515-01-164-289548201 INTERCHANGEABLE
Mask Disposable Sur
Kimberly-Clark Corporation
5340-01-377-910170778 INTERCHANGEABLE
Cover,access
Cfm International Inc Dba Cfm International
3040-01-379-1976 INTERCHANGEABLE
Shaft,straight
5306-01-526-792248201 INTERCHANGEABLE
Bolt,machine
Bourns Inc
Cross-Reference Index
Part NumberManufacturer
810014-0002 Northrop Grumman Litef Gmbh (DEU)
48-20-2 Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA)
48-20-1 PRIMARY Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA)
810014-2 Northrop Grumman Litef Gmbh (DEU)
SCDCE0156-2 Northrop Grumman Systems Corporation (USA)
Related Parts
4820-00-757-2954INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
482-01
5315-01-079-8240INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
48202
5935-01-138-9617INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
013012-2001
6515-01-164-2895INTERCHANGEABLE
MASK DISPOSABLE SUR
48201
5340-01-377-9101INTERCHANGEABLE
COVER,ACCESS
70778
3040-01-379-1976INTERCHANGEABLE
SHAFT,STRAIGHT
5306-01-526-7922INTERCHANGEABLE
BOLT,MACHINE
48201

Frequently Asked Questions

What is NSN 5955-01-178-2316?

NSN 5955-01-178-2316 is a Crystal Unit,quartz, manufactured by Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled, classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-01-178-2316?

NSN 5955-01-178-2316 has 5 cross-referenced part numbers: 810014-0002 (Northrop Grumman Litef Gmbh), 48-20-2 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), 48-20-1 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), 810014-2 (Northrop Grumman Litef Gmbh), SCDCE0156-2 (Northrop Grumman Systems Corporation).

What NSN replaces 5955-01-178-2316?

There are 7 known substitutes for 5955-01-178-2316: 4820-00-757-2954, 5315-01-079-8240, 5935-01-138-9617 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 48-20-1?

Key specifications for 48-20-1: Operating Temp Range: -40.0 TO 85.0 CELSIUS DEGC; Specified Frequency: 524.288 HERTZ; Overall Thickness: 0.352 INCHES MAXIMUM IN; Body Width: 0.725 INCHES MAXIMUM IN. 19 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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