PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1620-1AGalvanometer

Link Communications Inc · NSN 6625-00-330-6793 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-330-6793 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-330-6793. Primary manufacturer part number: 1620-1A.
Features
  • Galvanometer — FSC 6625
  • Features Provided: ZERO ADJUSTER
  • Installation Design: PANEL
  • Overall Diameter: 2.750 INCHES NOMINAL IN
  • FSC Application Data: TEST SET,ELECT. EQUIP.
  • Scale Division Quantity: 60 SINGLE INDICATOR SINGLE RANGE
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Indicator Type: DIAL W/POINTER
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Galvanometer, cataloged under National Stock Number 6625-00-330-6793, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Link Communications Inc. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-330-6793
Primary Part Number1620-1A
Item NameGalvanometer
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerLink Communications Inc
StatusACTIVE
Features ProvidedZERO ADJUSTER
Installation DesignPANEL
Overall Diameter2.750 INCHES NOMINAL IN
FSC Application DataTEST SET,ELECT. EQUIP.
Scale Division Quantity60 SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodJEWEL PIVOT BASE
Indicator TypeDIAL W/POINTER
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING COIL, PERMANENT MAGNET
Nuclear Hardness Critical FeatureNONHARDENED
Unable to DecodeUNABLE TO DECODE
Circuit Current for Which DesignedDC
Features ProvidedZERO ADJUSTER
Installation DesignPANEL
Overall Diameter2.750 INCHES NOMINAL IN
FSC Application DataTEST SET,ELECT. EQUIP.
Scale Division Quantity60 SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodJEWEL PIVOT BASE
Indicator TypeDIAL W/POINTER
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING COIL, PERMANENT MAGNET
Nuclear Hardness Critical FeatureNONHARDENED
Unable to DecodeUNABLE TO DECODE
Circuit Current for Which DesignedDC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeX
Verified Substitutes 6
3110-00-100-026227025 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Amfs American Fleet Services
3455-00-232-409619944 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5915-00-501-326022614 INTERCHANGEABLE
Filter,high Pass
L3harris Technologies, Inc. Div Space and Airborne Systems
6515-01-170-0662226.14 INTERCHANGEABLE
Bone Plate
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
3510-01-173-7898 INTERCHANGEABLE
Support,snubber Arm
8465-01-621-940222614 INTERCHANGEABLE
Club,self-Protection
Armament Systems and Procedures Inc
Cross-Reference Index
Part NumberManufacturer
1620-1A Link Communications Inc (USA)
GW576 Gruen Industries Inc (USA)
22614 Naval Ship Systems Command (USA)
Related Parts
3110-00-100-0262INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
27025
3455-00-232-4096INTERCHANGEABLE
REAMER,MACHINE
19944
5915-00-501-3260INTERCHANGEABLE
FILTER,HIGH PASS
22614
6515-01-170-0662INTERCHANGEABLE
BONE PLATE
226.14
3510-01-173-7898INTERCHANGEABLE
SUPPORT,SNUBBER ARM
8465-01-621-9402INTERCHANGEABLE
CLUB,SELF-PROTECTION
22614

Frequently Asked Questions

What is NSN 6625-00-330-6793?

NSN 6625-00-330-6793 is a Galvanometer, manufactured by Link Communications Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-330-6793?

NSN 6625-00-330-6793 has 3 cross-referenced part numbers: 1620-1A (Link Communications Inc), GW576 (Gruen Industries Inc), 22614 (Naval Ship Systems Command).

What NSN replaces 6625-00-330-6793?

There are 6 known substitutes for 6625-00-330-6793: 3110-00-100-0262, 3455-00-232-4096, 5915-00-501-3260 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1620-1A?

Key specifications for 1620-1A: Features Provided: ZERO ADJUSTER; Installation Design: PANEL; Overall Depth: 1.600 INCHES NOMINAL IN; Overall Diameter: 2.750 INCHES NOMINAL IN. 30 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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