PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

633Test Set,cathode Ray Tube

Eico Electronic Instrument Co Inc · NSN 6625-00-111-7704 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-111-7704 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-111-7704. Primary manufacturer part number: 633.
Features
  • Test Set,cathode Ray Tube — FSC 6625
  • AC Voltage Rating: 115.0 VOLTS NOMINAL
  • Furnished Items and Quantity: 6 CRT SOCKET ADAPTERS
  • Installation Design: BENCH
  • Phase: SINGLE
  • Frequency Rating: 60.0 HERTZ NOMINAL
  • Scale Unit of Measure Inscription: MILLIAMPERES
  • Material: PLASTIC, POLYETHYLENE (PP) CASE
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Plastic, Polyethylene (pp) Case construction
General Description

The Test Set,cathode Ray Tube, cataloged under National Stock Number 6625-00-111-7704, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Eico Electronic Instrument Co Inc. Government technical data includes 14 verified specifications, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-111-7704
Primary Part Number633
Item NameTest Set,cathode Ray Tube
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerEico Electronic Instrument Co Inc
StatusACTIVE
AC Voltage Rating115.0 VOLTS NOMINAL
Furnished Items and Quantity6 CRT SOCKET ADAPTERS
Installation DesignBENCH
PhaseSINGLE
Frequency Rating60.0 HERTZ NOMINAL
Scale Unit of Measure InscriptionMILLIAMPERES
MaterialPLASTIC, POLYETHYLENE (PP) CASE
AC Voltage Rating115.0 VOLTS NOMINAL
Furnished Items and Quantity6 CRT SOCKET ADAPTERS
Installation DesignBENCH
PhaseSINGLE
Frequency Rating60.0 HERTZ NOMINAL
Scale Unit of Measure InscriptionMILLIAMPERES
MaterialPLASTIC, POLYETHYLENE (PP) CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-01-075-9209 (SM-C-889062)
HAZMATNo
Verified Substitutes 5
6625-01-075-9209SM-C-889062 SUCCESSOR
Ammeter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-01-077-2834633-18593 SUCCESSOR
Voltmeter
Phaostron Instrument and Electronic Company
Voltmeter
Ammeter
6625-00-087-8257ME421U INTERCHANGEABLE
Ammeter
Joint Electronics Type Designation System
Cross-Reference Index
Part NumberManufacturer
633 Eico Electronic Instrument Co Inc (USA)
Related Parts
SUCCESSOR 6625-01-075-9209 Ammeter · SM-C-889062
6625-01-077-2834SUCCESSOR
VOLTMETER
633-18593
6625-01-271-9855SUCCESSOR
VOLTMETER
6625-01-272-0873SUCCESSOR
AMMETER
6625-00-087-8257INTERCHANGEABLE
AMMETER
ME421U

Frequently Asked Questions

What is NSN 6625-00-111-7704?

NSN 6625-00-111-7704 is a Test Set,cathode Ray Tube, manufactured by Eico Electronic Instrument Co Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-111-7704?

NSN 6625-00-111-7704 has 1 cross-referenced part number: 633 (Eico Electronic Instrument Co Inc).

What NSN replaces 6625-00-111-7704?

There are 5 known substitutes for 6625-00-111-7704: 6625-01-075-9209, 6625-01-077-2834, 6625-01-271-9855 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 633?

Key specifications for 633: AC Voltage Rating: 115.0 VOLTS NOMINAL; Overall Width: 25.0 MILLIMETERS NOMINAL MM; Special Features: PERFORMS TESTS ON EMISSION, LEAKAGE, TRACKING, LIFE RESTORATION FUNCTIONS OF SHORTS, GUN CLEANING, AND BALANCING, CATHODE REJUVENATION; Furnished Items and Quantity: 6 CRT SOCKET ADAPTERS. 22 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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