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78449-3 — SWITCH,PRESSURE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

78449-3: SWITCH,PRESSURE.

The SWITCH,PRESSURE is a the manufacturer industrial component. Key specifications include body_length: 2.375 INCHES NOMINAL IN, terminal_type: THREADED STUD, overall_length: 4.500 INCHES NOMINAL IN, overall_diameter: 2.562 INCHES NOMINAL IN, pressure_switch_type: DIFFERENTIAL, operating_temp_rating: 160.0 FAHRENHEIT MAXIMUM DEGF. This part is cataloged in the U.S.

Government catalog under NSN 5930-01-052-0078, 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
78449-3
NSN: 5930-01-052-0078
FSC: 5930 — Switches
CAGE: 86768 — TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT (USA)
SPECIFICATIONS
body_length2.375 INCHES NOMINAL IN
terminal_typeTHREADED STUD
overall_length4.500 INCHES NOMINAL IN
overall_diameter2.562 INCHES NOMINAL IN
pressure_switch_typeDIFFERENTIAL
operating_temp_rating160.0 FAHRENHEIT MAXIMUM DEGF
contact_voltage_rating_in_volts115.0 AC AT SEA LEVEL SINGLE VOLTAGE
NSN5930-01-052-0078
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,PRESSURE TITLE COMPONENT PN 78449-3 MFR SWITCH,PRESSURE
KEY FEATURES
•
TERMINAL TYPE: THREADED STUD
•
OVERALL DIAMETER: 2.562 INCHES NOMINAL IN
•
PRESSURE SWITCH TYPE: DIFFERENTIAL
•
BODY LENGTH: 2.375 INCHES NOMINAL IN
•
OPERATING TEMP RATING: 160.0 FAHRENHEIT MAXIMUM DEGF
•
CONTACT VOLTAGE RATING IN VOLTS: 115.0 AC AT SEA LEVEL SINGLE VOLTAGE
TECHNICAL CHARACTERISTICS
TERMINAL TYPETHREADED STUD
OVERALL DIAMETER2.562 INCHES NOMINAL IN
OVERALL LENGTH4.500 INCHES NOMINAL IN
PRESSURE SWITCH TYPEDIFFERENTIAL
BODY LENGTH2.375 INCHES NOMINAL IN
OPERATING TEMP RATING160.0 FAHRENHEIT MAXIMUM DEGF
CONTACT VOLTAGE RATING IN VOLTS115.0 AC AT SEA LEVEL SINGLE VOLTAGE
OTHER ITEMS IN FSC 5930 — Switches
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5930-00-000-0117 5930-00-001-1407 5930-00-001-1890 5930-00-001-2571 5930-00-001-2575 5930-00-001-2580 5930-00-001-2608 5930-00-001-2609
SUBSTITUTES & CROSS-REFERENCES 1
636AS185-1Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 78449-3?
78449-3 is a SWITCH,PRESSURE.
What parts can replace 78449-3?
There is 1 known substitute for 78449-3: 636AS185-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 78449-3?
78449-3 is cataloged in the U.S. Government catalog under NSN 5930-01-052-0078. 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.