PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3121-232Switch,pressure

Robertshaw Controls Co Uni-Line Div · NSN 5930-00-570-9641 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-570-9641 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-570-9641. Primary manufacturer part number: 3121-232.
Features
  • Switch,pressure — FSC 5930
  • Mounting Facility Pattern: TWO POSITION IN-LINE
  • Criticality Code Justification: FEAT
  • Terminal Type: QUICK DISCONNECT, MALE
  • Nominal Thread Size: 0.138 INCHES ALL THREADED HOLE IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) ALL THREADED HOLE
  • Mounting Method: THREADED HOLE(S)
  • Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,pressure, cataloged under National Stock Number 5930-00-570-9641, 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 Robertshaw Controls Co Uni-Line Div. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5930-00-570-9641
Primary Part Number3121-232
Item NameSwitch,pressure
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerRobertshaw Controls Co Uni-Line Div
StatusCANCELLED
Mounting Facility PatternTWO POSITION IN-LINE
Criticality Code JustificationFEAT
Terminal TypeQUICK DISCONNECT, MALE
Nominal Thread Size0.138 INCHES ALL THREADED HOLE IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) ALL THREADED HOLE
Mounting MethodTHREADED HOLE(S)
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Style DesignatorRECTANGULAR W/BRACKET
Thread Class2B ALL THREADED HOLE
Distance Between Mounting Facility Centers0.688 INCHES NOMINAL IN
Contact Stimulus Rating295.00 ACTUATION POINT NOMINAL POUNDS PER SQUARE INCH GAGE
Pressure Switch TypeGAGE
Contact Action StimulusINCREASE
Thread Quantity Per Inch32 ALL THREADED HOLE
Contact AdjustabilityACTUATION POINT NOT ADJUSTABLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5930-00-064-7224 INTERCHANGEABLE
Switch,pressure
Cross-Reference Index
Part NumberManufacturer
302889-01 Therm-Air Mfg Co Inc (USA)
AP21-2032 Robertshaw Tennessee/cookeville Automotive (USA)
HP3121-232 Robertshaw Tennessee/cookeville Automotive (USA)
3121-232 PRIMARY Robertshaw Controls Co Uni-Line Div (USA)
Related Parts
5930-00-064-7224INTERCHANGEABLE
SWITCH,PRESSURE

Frequently Asked Questions

What is NSN 5930-00-570-9641?

NSN 5930-00-570-9641 is a Switch,pressure, manufactured by Robertshaw Controls Co Uni-Line Div, classified under FSC 5930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5930-00-570-9641?

NSN 5930-00-570-9641 has 4 cross-referenced part numbers: 302889-01 (Therm-Air Mfg Co Inc), AP21-2032 (Robertshaw Tennessee/cookeville Automotive), HP3121-232 (Robertshaw Tennessee/cookeville Automotive), 3121-232 (Robertshaw Controls Co Uni-Line Div).

What NSN replaces 5930-00-570-9641?

There is 1 known substitute for 5930-00-570-9641: 5930-00-064-7224. Verify interchangeability with system specifications before substitution.

What are the specifications of 3121-232?

Key specifications for 3121-232: Mounting Facility Pattern: TWO POSITION IN-LINE; Criticality Code Justification: FEAT; Terminal Type: QUICK DISCONNECT, MALE; Nominal Thread Size: 0.138 INCHES ALL THREADED HOLE IN. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-00-570-9641 still in active supply?

NSN 5930-00-570-9641 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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