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128446 — SWITCH,PRESSURE

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

128446: SWITCH,PRESSURE.

The SWITCH,PRESSURE is a the manufacturer industrial component. Key specifications include material: STEEL, end_similarity: NOT IDENTICAL, overall_length: 4.625 INCHES NOMINAL IN, first_end_style: PLAIN, second_end_style: BEARING SEAT, first_end_diameter: 0.3750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-074-9154, 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→ 128446
NSN: 3040-00-074-9154
NIINs: 000749154, 016052538
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 14028 — SYPRIS ELECTRONICS, LLC (USA)
SPECIFICATIONS
materialSTEEL
step_quantity2
end_similarityNOT IDENTICAL
overall_length4.625 INCHES NOMINAL IN
first_end_stylePLAIN
second_end_styleBEARING SEAT
first_end_diameter0.3750 INCHES NOMINAL IN
second_end_diameter0.3750 INCHES NOMINAL IN
largest_step_diameter0.562 INCHES NOMINAL IN
end_item_identificationTRANSFORMER
second_end_bearing_seat_diameter0.5625 INCHES NOMINAL IN
second_end_distance_from_bearing_seat_to_end0.156 INCHES NOMINAL IN
NSN3040-00-074-9154
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,PRESSURE TITLE COMPONENT PN 128446 MFR SWITCH,PRESSURE
KEY FEATURES
•
STEP QUANTITY: 2
•
FIRST END DIAMETER: 0.3750 INCHES NOMINAL IN
•
SECOND END DIAMETER: 0.3750 INCHES NOMINAL IN
•
LARGEST STEP DIAMETER: 0.562 INCHES NOMINAL IN
•
SECOND END DISTANCE FROM BEARING SEAT TO END: 0.156 INCHES NOMINAL IN
•
FIRST END STYLE: PLAIN
•
SECOND END BEARING SEAT DIAMETER: 0.5625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STEP QUANTITY2
FIRST END DIAMETER0.3750 INCHES NOMINAL IN
SECOND END DIAMETER0.3750 INCHES NOMINAL IN
LARGEST STEP DIAMETER0.562 INCHES NOMINAL IN
SECOND END DISTANCE FROM BEARING SEAT TO END0.156 INCHES NOMINAL IN
FIRST END STYLEPLAIN
OVERALL LENGTH4.625 INCHES NOMINAL IN
SECOND END BEARING SEAT DIAMETER0.5625 INCHES NOMINAL IN
END SIMILARITYNOT IDENTICAL
SECOND END STYLEBEARING SEAT
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 128446?
128446 is a SWITCH,PRESSURE. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 128446?
128446 is cataloged in the U.S. Government catalog under NSN 3040-00-074-9154. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.