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Technical Data Sheet
PartsTable / MRO / 3178-271
3178-271 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 color: NATURAL, body_length: 3.813 INCHES NOMINAL IN, shank_style: CONCAVE, skirt_style: RING, shank_length: 0.187 INCHES NOMINAL IN, shank_radius: 0.187 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5355-00-438-4126, 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→ 3178-271
NSN: 5355-00-438-4126
FSC: 5355
CAGE: 90073 — CMC ELECTRONICS INC (CAN)
SPECIFICATIONS
colorNATURAL
body_length3.813 INCHES NOMINAL IN
shank_styleCONCAVE
skirt_styleRING
shank_length0.187 INCHES NOMINAL IN
shank_radius0.187 INCHES NOMINAL IN
skirt_designNONDETACHABLE
overall_width2.031 INCHES NOMINAL IN
terminal_typeTAB W/SCREW
overall_height3.938 INCHES NOMINAL IN
overall_length7.190 INCHES NOMINAL IN
shank_diameter0.375 INCHES NOMINAL IN
NSN5355-00-438-4126
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,PRESSURE TITLE COMPONENT PN 3178-271 MFR SWITCH,PRESSURE
KEY FEATURES
•
GRIPPING SURFACE CONDITION: GRIP AID
•
SHANK STYLE: CONCAVE
•
SHANK LENGTH: 0.187 INCHES NOMINAL IN
•
SKIRT DESIGN: NONDETACHABLE
•
ATTACHMENT METHOD: UNTHREADED COUNTERBORED HOLE
•
OVERALL THICKNESS: 0.750 INCHES NOMINAL IN
•
SKIRT OUTSIDE DIAMETER: 0.687 INCHES NOMINAL IN
•
COLOR: NATURAL
TECHNICAL CHARACTERISTICS (FLIS)
GRIPPING SURFACE CONDITIONGRIP AID
SHANK STYLECONCAVE
SHANK LENGTH0.187 INCHES NOMINAL IN
SKIRT DESIGNNONDETACHABLE
ATTACHMENT METHODUNTHREADED COUNTERBORED HOLE
OVERALL THICKNESS0.750 INCHES NOMINAL IN
SKIRT OUTSIDE DIAMETER0.687 INCHES NOMINAL IN
COLORNATURAL
STYLE DESIGNATORROUND
SHANK DIAMETER0.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
274BP20C0DE2D3Interchangeable
interchangeable cross-reference
interchangeable
274BP202D3Interchangeable
interchangeable cross-reference
interchangeable
1180323Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3178-271?
3178-271 is a SWITCH,PRESSURE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 3178-271?
There are 3 known substitutes for 3178-271: 274BP20C0DE2D3, 274BP202D3, 1180323. Substitute compatibility should be verified for your specific system.
What is the NSN for 3178-271?
3178-271 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5355-00-438-4126. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026