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PB5 ✓ 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,PUSH is a the manufacturer industrial component. Key specifications include body_style: BUSHING MOUNTED, body_width: 0.594 INCHES NOMINAL IN, body_height: 1.125 INCHES NOMINAL IN, body_length: 0.875 INCHES NOMINAL IN, overall_depth: 0.250 INCHES NOMINAL IN, bushing_length: 0.875 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5355-00-019-0326, 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
PB5
NSN: 5355-00-019-0326
FSC: 5355
CAGE: 97557 — MORTON MACHINE WORKS (USA)
SPECIFICATIONS
body_styleBUSHING MOUNTED
body_width0.594 INCHES NOMINAL IN
body_height1.125 INCHES NOMINAL IN
body_length0.875 INCHES NOMINAL IN
overall_depth0.250 INCHES NOMINAL IN
bushing_length0.875 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
actuator_height0.375 INCHES NOMINAL IN
inside_diameter0.190 INCHES NOMINAL IN
outside_diameter0.750 INCHES NOMINAL IN
special_featuresWEAPON SYSTEM ESSENTIAL
style_designatorBALL
NSN5355-00-019-0326
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,PUSH TITLE COMPONENT PN PB5 MFR SWITCH,PUSH
KEY FEATURES
•
OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
GRIPPING SURFACE CONDITION: SMOOTH
•
SHAFT ACCOMMODATION STYLE: ROUND
•
STYLE DESIGNATOR: BALL
•
THREAD SERIES DESIGNATOR: UNF RECEPTACLE
•
THREAD QUANTITY PER INCH: 32 RECEPTACLE
•
NOMINAL THREAD SIZE: 0.190 INCHES RECEPTACLE IN
•
ATTACHMENT METHOD: SCREW ON
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
GRIPPING SURFACE CONDITIONSMOOTH
SHAFT ACCOMMODATION STYLEROUND
STYLE DESIGNATORBALL
THREAD SERIES DESIGNATORUNF RECEPTACLE
THREAD QUANTITY PER INCH32 RECEPTACLE
NOMINAL THREAD SIZE0.190 INCHES RECEPTACLE IN
ATTACHMENT METHODSCREW ON
OVERALL DEPTH0.250 INCHES NOMINAL IN
INSIDE DIAMETER0.190 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
374034C91Interchangeable
interchangeable cross-reference
interchangeable
79Z40Interchangeable
interchangeable cross-reference
interchangeable
90092Interchangeable
interchangeable cross-reference
interchangeable
PB5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PB5?
PB5 is a SWITCH,PUSH.
What parts can replace PB5?
There are 4 known substitutes for PB5: 374034C91, 79Z40, 90092 and 1 more. Substitute compatibility should be verified for your specific system.
Is PB5 still available?
PB5 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026