PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A4112Crystal Unit,quartz

Probescope Co Inc · NSN 5955-00-488-5653 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-00-488-5653 — this item is cataloged by the U.S. Government under National Stock Number 5955-00-488-5653. Primary manufacturer part number: A4112.
Features
  • Crystal Unit,quartz — FSC 5955
  • Body Length: 0.750 INCHES NOMINAL IN
  • Terminal Length: 0.250 INCHES NOMINAL IN
  • Overall Thickness: 0.312 INCHES NOMINAL IN
  • Specified Frequency: 2.000 MEGAHERTZ
  • Terminal Diameter: 0.031 INCHES NOMINAL IN
  • Circuit Resonance: SERIES RESONANCE
  • Center to Center Distance Between Terminals: 0.500 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-488-5653, 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 Probescope Co Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5955-00-488-5653
Primary Part NumberA4112
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerProbescope Co Inc
StatusACTIVE
Body Length0.750 INCHES NOMINAL IN
Terminal Length0.250 INCHES NOMINAL IN
Overall Thickness0.312 INCHES NOMINAL IN
Specified Frequency2.000 MEGAHERTZ
Terminal Diameter0.031 INCHES NOMINAL IN
Circuit ResonanceSERIES RESONANCE
Center to Center Distance Between Terminals0.500 INCHES NOMINAL IN
Style DesignatorOVAL BODY, PIN TERMINALS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4020-00-115-44418437669 INTERCHANGEABLE
Cord Assembly,elastic
Army, United States Department of the Dba Rock Island Arsenal Jmtc
5130-00-116-2902 INTERCHANGEABLE
Locator,crimping Tool
3110-00-120-4217140420 INTERCHANGEABLE
Roller,bearing
Regal Beloit America, Inc. Dba Rollway Bearing
4520-00-403-7422411-2 INTERCHANGEABLE
Heating Element,electrical,nonim
Cooper Wiring Devices Inc.
5355-00-966-77974112 INTERCHANGEABLE
Knob
Wakmann Watch Company Inc
6145-01-067-52247511 INTERCHANGEABLE
Cable,power,electrical
Belden, Inc.
6625-01-097-5697401-0270-00 INTERCHANGEABLE
Drive,tuning
Tektronix, Inc.
5915-01-189-31795542463-2 INTERCHANGEABLE
Filter,radio Frequency Interfere
Naval Sea Systems Command
6220-01-242-820280335R INTERCHANGEABLE
Stop Light-Taillight,vehicular
Truck-Lite Co., Llc
5440-01-266-56464112 INTERCHANGEABLE
Guard Rail Section,scaffolding
Werner Co Dba Werner Extruded Products Co
Cross-Reference Index
Part NumberManufacturer
A4112 Probescope Co Inc (USA)
4112 Probescope Co Inc (USA)
Related Parts
4020-00-115-4441INTERCHANGEABLE
CORD ASSEMBLY,ELASTIC
8437669
5130-00-116-2902INTERCHANGEABLE
LOCATOR,CRIMPING TOOL
3110-00-120-4217INTERCHANGEABLE
ROLLER,BEARING
140420
4520-00-403-7422INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
411-2
5355-00-966-7797INTERCHANGEABLE
KNOB
4112
6145-01-067-5224INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
7511
6625-01-097-5697INTERCHANGEABLE
DRIVE,TUNING
401-0270-00
5915-01-189-3179INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
5542463-2
6220-01-242-8202INTERCHANGEABLE
STOP LIGHT-TAILLIGHT,VEHICULAR
80335R
5440-01-266-5646INTERCHANGEABLE
GUARD RAIL SECTION,SCAFFOLDING
4112
5120-01-335-9023INTERCHANGEABLE
SOCKET,SOCKET WRENCH
4112
5940-01-341-0531INTERCHANGEABLE
TERMINAL BOARD

Frequently Asked Questions

What is NSN 5955-00-488-5653?

NSN 5955-00-488-5653 is a Crystal Unit,quartz, manufactured by Probescope Co Inc, classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-00-488-5653?

NSN 5955-00-488-5653 has 2 cross-referenced part numbers: A4112 (Probescope Co Inc), 4112 (Probescope Co Inc).

What NSN replaces 5955-00-488-5653?

There are 12 known substitutes for 5955-00-488-5653: 4020-00-115-4441, 5130-00-116-2902, 3110-00-120-4217 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A4112?

Key specifications for A4112: Body Length: 0.750 INCHES NOMINAL IN; Terminal Length: 0.250 INCHES NOMINAL IN; Overall Thickness: 0.312 INCHES NOMINAL IN; Specified Frequency: 2.000 MEGAHERTZ. 10 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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