PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A3100Switch,pressure

Dwyer Instruments Inc · NSN 5930-01-620-4431 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-620-4431 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-620-4431. Primary manufacturer part number: A3100.
Features
  • Switch,pressure — FSC 5930
  • Overall Diameter: 5.50 INCHES NOMINAL IN
  • Body Length: 6.125 INCHES NOMINAL IN
  • Pressure Switch Type: GAGE
  • Operating Temp Rating: 20.0 FAHRENHEIT MINIMUM AND 120.0 FAHRENHEIT MAXIMUM DEGF
  • Style Designator: CYLINDRICAL
  • 1 verified cross-reference
  • Primary manufacturer: Dwyer Instruments Inc
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,pressure, cataloged under National Stock Number 5930-01-620-4431, is classified within Federal Supply Class 5930 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Dwyer Instruments Inc. Government technical data includes 5 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.

Technical Specifications
ParameterValue
NSN5930-01-620-4431
Primary Part NumberA3100
Item NameSwitch,pressure
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerDwyer Instruments Inc
StatusACTIVE
Overall Diameter5.50 INCHES NOMINAL IN
Body Length6.125 INCHES NOMINAL IN
Pressure Switch TypeGAGE
Operating Temp Rating20.0 FAHRENHEIT MINIMUM AND 120.0 FAHRENHEIT MAXIMUM DEGF
Style DesignatorCYLINDRICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-00-760-1116537683-1 INTERCHANGEABLE
Transistor
Raytheon Company Dba Raytheon
5950-00-859-7876A3100 INTERCHANGEABLE
Transformer,power
Data Device Corp Dba Beta Transformer Technology
4140-01-137-3120A3-100 INTERCHANGEABLE
Impeller,fan,centrifugal
C E Niehoff & Co
Cross-Reference Index
Part NumberManufacturer
A3100 PRIMARY Dwyer Instruments Inc (USA)
Related Parts
5961-00-760-1116INTERCHANGEABLE
TRANSISTOR
537683-1
5950-00-859-7876INTERCHANGEABLE
TRANSFORMER,POWER
A3100
4140-01-137-3120INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
A3-100

Frequently Asked Questions

What is NSN 5930-01-620-4431?

NSN 5930-01-620-4431 is a Switch,pressure, manufactured by Dwyer Instruments Inc, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-620-4431?

NSN 5930-01-620-4431 has 1 cross-referenced part number: A3100 (Dwyer Instruments Inc).

What NSN replaces 5930-01-620-4431?

There are 3 known substitutes for 5930-01-620-4431: 5961-00-760-1116, 5950-00-859-7876, 4140-01-137-3120. Verify interchangeability with system specifications before substitution.

What are the specifications of A3100?

Key specifications for A3100: Overall Diameter: 5.50 INCHES NOMINAL IN; Body Length: 6.125 INCHES NOMINAL IN; Overall Length: 7.81 INCHES NOMINAL IN; Pressure Switch Type: GAGE. 7 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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