PartsTable
Technical Data Sheet
1921-20-S ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SWITCH,PRESSURE is a the manufacturer industrial component. Key specifications include body_diameter: 3.500 INCHES NOMINAL IN, overall_width: 4.625 INCHES NOMINAL IN, terminal_type: SCREW, mounting_method: BRACKET(S) AND UNTHREADED HOLE(S), features_provided: ELECTRICAL ACCESS PORT, frequency_in_hertz: 60.0 FIRST VOLTAGE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-01-262-6560, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO MRO_GENERAL 1921-20-S
NSN: 5930-01-262-6560
FSC: 5930
CAGE: 85274 — DWYER INSTRUMENTS INC (USA)
SPECIFICATIONS
body_diameter3.500 INCHES NOMINAL IN
overall_width4.625 INCHES NOMINAL IN
terminal_typeSCREW
mounting_methodBRACKET(S) AND UNTHREADED HOLE(S)
features_providedELECTRICAL ACCESS PORT
frequency_in_hertz60.0 FIRST VOLTAGE
pressure_switch_typeDIFFERENTIAL
contact_adjustabilityACTUATION POINT ADJUSTABLE
operating_temp_rating32.0 FAHRENHEIT MINIMUM AND 180.0 FAHRENHEIT MAXIMUM DEGF
contact_adjustment_typeEXTERNAL ACTUATION POINT SCREW
contact_adjustment_range+4.00 TO 20.00 ACTUATION POINT INCHES OF WATER
mounting_facility_patternTWO POSITION IN-LINE
NSN5930-01-262-6560
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,PRESSURE TITLE COMPONENT PN 1921-20-S MFR SWITCH,PRESSURE
KEY FEATURES
CONTACT ADJUSTABILITY: ACTUATION POINT ADJUSTABLE
CONTACT LOAD CURRENT RATING: 15.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
FREQUENCY IN HERTZ: 60.0 SECOND VOLTAGE
PRESSURE SWITCH TYPE: DIFFERENTIAL
TERMINAL TYPE: SCREW
MOUNTING METHOD: BRACKET(S) AND UNTHREADED HOLE(S)
CONTACT VOLTAGE RATING IN VOLTS: 120.0 AC AT SEA LEVEL FIRST VOLTAGE
BODY DIAMETER: 3.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CONTACT ADJUSTABILITYACTUATION POINT ADJUSTABLE
CONTACT LOAD CURRENT RATING15.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
FREQUENCY IN HERTZ60.0 SECOND VOLTAGE
PRESSURE SWITCH TYPEDIFFERENTIAL
TERMINAL TYPESCREW
MOUNTING METHODBRACKET(S) AND UNTHREADED HOLE(S)
CONTACT VOLTAGE RATING IN VOLTS120.0 AC AT SEA LEVEL FIRST VOLTAGE
BODY DIAMETER3.500 INCHES NOMINAL IN
OVERALL WIDTH4.625 INCHES NOMINAL IN
FEATURES PROVIDEDELECTRICAL ACCESS PORT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
200034Interchangeable
interchangeable cross-reference
interchangeable
425276-4Interchangeable
interchangeable cross-reference
interchangeable
AMS-P-5516Interchangeable
interchangeable cross-reference
interchangeable
26580Interchangeable
interchangeable cross-reference
interchangeable
260021Interchangeable
interchangeable cross-reference
interchangeable
5120PL1075931Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1921-20-S?
1921-20-S is a SWITCH,PRESSURE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1921-20-S?
There are 8 known substitutes for 1921-20-S: 200034, 425276-4, AMS-P-5516 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1921-20-S?
1921-20-S is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-01-262-6560. This indicates validated use in U.S. government and defense supply chains.
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