PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

545Indicator,electrical Tachometer

Solartron Electronics Inc Weston Instruments Div · NSN 6620-00-530-3922 · FSC 6620 · No Item Name Available
Verified by PartsTable
NSN 6620-00-530-3922 — this item is cataloged by the U.S. Government under National Stock Number 6620-00-530-3922. Primary manufacturer part number: 545.
Features
  • Indicator,electrical Tachometer — FSC 6620
  • Height: 4.500 INCHES NOMINAL IN
  • Mounting Flange Width: 4.000 INCHES NOMINAL IN
  • Color: WHITE BACKGROUND OVERALL
  • Mounting Facility Type and Quantity: 4 SEMIFLUSH
  • Contact Quantity: 2
  • Depth: 2.53125 INCHES NOMINAL IN
  • Color: WHITE POINTER OVERALL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,electrical Tachometer, cataloged under National Stock Number 6620-00-530-3922, is classified within Federal Supply Class 6620 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Solartron Electronics Inc Weston Instruments Div. Government technical data includes 14 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6620-00-530-3922
Primary Part Number545
Item NameIndicator,electrical Tachometer
FSC / FSG6620 / 66 — No Item Name Available
ManufacturerSolartron Electronics Inc Weston Instruments Div
StatusACTIVE
Height4.500 INCHES NOMINAL IN
Mounting Flange Width4.000 INCHES NOMINAL IN
ColorWHITE BACKGROUND OVERALL
Mounting Facility Type and Quantity4 SEMIFLUSH
Contact Quantity2
Depth2.53125 INCHES NOMINAL IN
ColorWHITE POINTER OVERALL
Pointer TypeCLOCK-HAND SINGLE POINTER
Mounting Stud Diameter0.164 INCHES NOMINAL IN
Accuracy Rating20.0 REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE
Mounting Stud Length0.625 INCHES NOMINAL IN
Width4.000 INCHES NOMINAL IN
Electrical Connection Quantity2
Current TypeDC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-163-0347 INTERCHANGEABLE
Sleeve,retainer
5310-01-270-25994600-12 INTERCHANGEABLE
Nut,special
Pdi Ground Support Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
545 Solartron Electronics Inc Weston Instruments Div (USA)
460012 Solartron Electronics Inc Weston Instruments Div (USA)
Related Parts
4820-01-163-0347INTERCHANGEABLE
SLEEVE,RETAINER
5310-01-270-2599INTERCHANGEABLE
NUT,SPECIAL
4600-12

Frequently Asked Questions

What is NSN 6620-00-530-3922?

NSN 6620-00-530-3922 is a Indicator,electrical Tachometer, manufactured by Solartron Electronics Inc Weston Instruments Div, classified under FSC 6620 (No Item Name Available). Status: active.

What are the part numbers for NSN 6620-00-530-3922?

NSN 6620-00-530-3922 has 2 cross-referenced part numbers: 545 (Solartron Electronics Inc Weston Instruments Div), 460012 (Solartron Electronics Inc Weston Instruments Div).

What NSN replaces 6620-00-530-3922?

There are 2 known substitutes for 6620-00-530-3922: 4820-01-163-0347, 5310-01-270-2599. Verify interchangeability with system specifications before substitution.

What are the specifications of 545?

Key specifications for 545: Height: 4.500 INCHES NOMINAL IN; Mounting Flange Width: 4.000 INCHES NOMINAL IN; Color: WHITE BACKGROUND OVERALL; Mounting Facility Type and Quantity: 4 SEMIFLUSH. 15 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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