PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

346BCalibrator,frequency

Trig-Tek, Incorporated · NSN 6625-01-424-2124 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-424-2124 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-424-2124. Primary manufacturer part number: 346B.
Features
  • Calibrator,frequency — FSC 6625
  • AC Voltage Rating: 115.0 VOLTS NOMINAL AND 230.0 VOLTS NOMINAL
  • Reference Data and Literature: T.O. 33K6-4-2703-1, 33K6-4-2713-1AND 33K6-4-2769-1
  • Individual Channel Frequency: 0.1 KILOHERTZ MINIMUM AND 99.0 KILOHERTZ MAXIMUM
  • Frequency Accuracy in Percent: +0.005 TO 0.010
  • Phase: SINGLE
  • Supplementary Features: FRONT PANEL FREQ SELECT & REMOTE
  • Individual Channel Quantity: 2
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Calibrator,frequency, cataloged under National Stock Number 6625-01-424-2124, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Trig-Tek, Incorporated. Government technical data includes 18 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-424-2124
Primary Part Number346B
Item NameCalibrator,frequency
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerTrig-Tek, Incorporated
StatusACTIVE
AC Voltage Rating115.0 VOLTS NOMINAL AND 230.0 VOLTS NOMINAL
Reference Data and LiteratureT.O. 33K6-4-2703-1, 33K6-4-2713-1AND 33K6-4-2769-1
Individual Channel Frequency0.1 KILOHERTZ MINIMUM AND 99.0 KILOHERTZ MAXIMUM
Frequency Accuracy in Percent+0.005 TO 0.010
PhaseSINGLE
Supplementary FeaturesFRONT PANEL FREQ SELECT & REMOTE
Individual Channel Quantity2
Functional DescriptionCALIBRATES VIBRATION MONITOR/ANALYZERS USED ON TYPE AM37T-2 JET ENGINE TEST STANDS
Frequency Rating50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM
AC Voltage Rating115.0 VOLTS NOMINAL AND 230.0 VOLTS NOMINAL
Reference Data and LiteratureT.O. 33K6-4-2703-1, 33K6-4-2713-1AND 33K6-4-2769-1
Individual Channel Frequency0.1 KILOHERTZ MINIMUM AND 99.0 KILOHERTZ MAXIMUM
Frequency Accuracy in Percent+0.005 TO 0.010
PhaseSINGLE
Supplementary FeaturesFRONT PANEL FREQ SELECT & REMOTE
Individual Channel Quantity2
Functional DescriptionCALIBRATES VIBRATION MONITOR/ANALYZERS USED ON TYPE AM37T-2 JET ENGINE TEST STANDS
Frequency Rating50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeU
Unit of IssueEA
SMR CodeVU
Weight27.0000 lbs
Cube4.0000 cu ft
Verified Substitutes 3
6625-01-256-612412613034-24 SUCCESSOR
Generator,noise
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5340-00-008-0098F6NY-750-9 INTERCHANGEABLE
Clamp,loop
Catamount Mfg Inc
4310-00-420-6987346B INTERCHANGEABLE
Seat,check Valve
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
Cross-Reference Index
Part NumberManufacturer
346B PRIMARY Trig-Tek, Incorporated (USA)
Related Parts
6625-01-256-6124SUCCESSOR
GENERATOR,NOISE
12613034-24
5340-00-008-0098INTERCHANGEABLE
CLAMP,LOOP
F6NY-750-9
4310-00-420-6987INTERCHANGEABLE
SEAT,CHECK VALVE
346B

Frequently Asked Questions

What is NSN 6625-01-424-2124?

NSN 6625-01-424-2124 is a Calibrator,frequency, manufactured by Trig-Tek, Incorporated, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-424-2124?

NSN 6625-01-424-2124 has 1 cross-referenced part number: 346B (Trig-Tek, Incorporated).

What NSN replaces 6625-01-424-2124?

There are 3 known substitutes for 6625-01-424-2124: 6625-01-256-6124, 5340-00-008-0098, 4310-00-420-6987. Verify interchangeability with system specifications before substitution.

What are the specifications of 346B?

Key specifications for 346B: Special Features: PROGRAMMABLE WITH STORAGE FOR DIFFERENT CONFIGURATION SETUPS; AC Voltage Rating: 115.0 VOLTS NOMINAL AND 230.0 VOLTS NOMINAL; Reference Data and Literature: T.O. 33K6-4-2703-1, 33K6-4-2713-1AND 33K6-4-2769-1; Individual Channel Frequency: 0.1 KILOHERTZ MINIMUM AND 99.0 KILOHERTZ MAXIMUM. 28 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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