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Technical Data Sheet
668440-1 ✓ 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 body_length: 2.620 INCHES NOMINAL IN, terminal_type: CONNECTOR, RECEPTACLE, overall_length: 3.870 INCHES MAXIMUM IN, proof_pressure: 4500.00 POUNDS PER SQUARE INCH LBS, inside_diameter: 0.250 INCHES NOMINAL SINGLE CONNECTION IN, mounting_method: CLAMP. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-711-5958, 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
668440-1
NSN: 5930-00-711-5958
FSC: 5930
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
body_length2.620 INCHES NOMINAL IN
terminal_typeCONNECTOR, RECEPTACLE
overall_length3.870 INCHES MAXIMUM IN
proof_pressure4500.00 POUNDS PER SQUARE INCH LBS
inside_diameter0.250 INCHES NOMINAL SINGLE CONNECTION IN
mounting_methodCLAMP
style_designatorCYLINDRICAL
features_providedELECTRICAL BOX CONNECTOR
width_across_flats1.500 INCHES NOMINAL IN
pressure_switch_typeGAGE
contact_adjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
operating_temp_rating-65.0 FAHRENHEIT MINIMUM AND 275.0 FAHRENHEIT MAXIMUM DEGF
NSN5930-00-711-5958
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,PRESSURE TITLE COMPONENT PN 668440-1 MFR SWITCH,PRESSURE
KEY FEATURES
TERMINAL TYPE: CONNECTOR, RECEPTACLE
OPERATING TEMP RATING: -65.0 FAHRENHEIT MINIMUM AND 275.0 FAHRENHEIT MAXIMUM DEGF
WIDTH ACROSS FLATS: 1.500 INCHES NOMINAL IN
CONTACT ADJUSTABILITY: DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
SENSING ELEMENT BURST PRESSURE: 7500.00 POUNDS PER SQUARE INCH LBS
CONTACT STIMULUS RATING: 1109.00 DEACTUATION POINT MINIMUM POUNDS PER SQUARE INCH
NONPILE-UP CONTACT ARRANGEMENT: 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
STYLE DESIGNATOR: CYLINDRICAL
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL TYPECONNECTOR, RECEPTACLE
OPERATING TEMP RATING-65.0 FAHRENHEIT MINIMUM AND 275.0 FAHRENHEIT MAXIMUM DEGF
WIDTH ACROSS FLATS1.500 INCHES NOMINAL IN
CONTACT ADJUSTABILITYDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
SENSING ELEMENT BURST PRESSURE7500.00 POUNDS PER SQUARE INCH LBS
CONTACT STIMULUS RATING1109.00 DEACTUATION POINT MINIMUM POUNDS PER SQUARE INCH
NONPILE-UP CONTACT ARRANGEMENT1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
STYLE DESIGNATORCYLINDRICAL
CONTACT VOLTAGE RATING IN VOLTS27.0 DC AT SEA LEVEL SINGLE VOLTAGE
INSIDE DIAMETER0.250 INCHES NOMINAL SINGLE CONNECTION IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
MT834CRD2AInterchangeable
interchangeable cross-reference
interchangeable
15374Interchangeable
interchangeable cross-reference
interchangeable
324C547Interchangeable
interchangeable cross-reference
interchangeable
5259E0PC43Interchangeable
interchangeable cross-reference
interchangeable
1WM3-55Interchangeable
interchangeable cross-reference
interchangeable
14037964Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 668440-1?
668440-1 is a SWITCH,PRESSURE.
What parts can replace 668440-1?
There are 12 known substitutes for 668440-1: MT834CRD2A, 15374, 324C547 and 9 more. Substitute compatibility should be verified for your specific system.
Is 668440-1 still available?
668440-1 is currently cancelled.
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