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Technical Data Sheet
M1421 ✓ Verified by PartsTable
· COMPONENT
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 unit_design: FREE STANDING, terminal_type: TAB W/SCREW, interface_type: RS 232C, overall_length: 1.870 INCHES NOMINAL IN, mounting_method: INLET CONNECTION, outside_diameter: 0.125 INCHES NOMINAL SINGLE CONNECTION IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-681-3578, 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
M1421
NSN: 5930-00-681-3578
FSC: 5930
CAGE: 74400 — HOBBS CORP (USA)
SPECIFICATIONS
unit_designFREE STANDING
terminal_typeTAB W/SCREW
interface_typeRS 232C
overall_length1.870 INCHES NOMINAL IN
mounting_methodINLET CONNECTION
outside_diameter0.125 INCHES NOMINAL SINGLE CONNECTION IN
overall_diameter1.690 INCHES NOMINAL IN
special_featuresRTD INPUT/DIGITAL OUTPUT, 0.00392 RTD IN/RS-232C OUTPUT
style_designatorCYLINDRICAL
nominal_thread_size0.125 INCHES SINGLE PRESSURE CONNECTION IN
pressure_switch_typeGAGE
contact_adjustabilityACTUATION POINT ADJUSTABLE, PRESET
NSN5930-00-681-3578
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,PRESSURE TITLE COMPONENT PN M1421 MFR SWITCH,PRESSURE
KEY FEATURES
CONTACT ADJUSTMENT RANGE: +1.00 TO 7.00 ACTUATION POINT POUNDS PER SQUARE INCH
CONTACT ADJUSTABILITY: ACTUATION POINT ADJUSTABLE, PRESET
THREAD SERIES DESIGNATOR: PTF-SAE SHORT SINGLE PRESSURE CONNECTION
STYLE DESIGNATOR: CYLINDRICAL
CONTACT ADJUSTMENT TYPE: INTERNAL ACTUATION POINT SCREW
CONTACT ACTION STIMULUS: INCREASE
NONPILE-UP CONTACT ARRANGEMENT: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
NOMINAL THREAD SIZE: 0.125 INCHES SINGLE PRESSURE CONNECTION IN
TECHNICAL CHARACTERISTICS (FLIS)
CONTACT ADJUSTMENT RANGE+1.00 TO 7.00 ACTUATION POINT POUNDS PER SQUARE INCH
CONTACT ADJUSTABILITYACTUATION POINT ADJUSTABLE, PRESET
THREAD SERIES DESIGNATORPTF-SAE SHORT SINGLE PRESSURE CONNECTION
STYLE DESIGNATORCYLINDRICAL
CONTACT ADJUSTMENT TYPEINTERNAL ACTUATION POINT SCREW
CONTACT ACTION STIMULUSINCREASE
NONPILE-UP CONTACT ARRANGEMENT1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
NOMINAL THREAD SIZE0.125 INCHES SINGLE PRESSURE CONNECTION IN
THREAD QUANTITY PER INCH27 SINGLE PRESSURE CONNECTION
MEDIA FOR WHICH DESIGNEDGAS OR LIQUID
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
152302Interchangeable
interchangeable cross-reference
interchangeable
400BInterchangeable
interchangeable cross-reference
interchangeable
E3115-5PC4068Interchangeable
interchangeable cross-reference
interchangeable
4068Interchangeable
interchangeable cross-reference
interchangeable
9007551Interchangeable
interchangeable cross-reference
interchangeable
421-105Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M1421?
M1421 is a SWITCH,PRESSURE.
What parts can replace M1421?
There are 18 known substitutes for M1421: 152302, 400B, E3115-5PC4068 and 15 more. Substitute compatibility should be verified for your specific system.
Is M1421 still available?
M1421 is currently cancelled.
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