PartsTable
Technical Data Sheet
21938 ✓ Verified by PartsTable
Trust · 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

Mouse pad with hard, smooth surface that improves your mouse performance.<br><br>- Provides greater accuracy, better control and faster response<br>- Rubber anti-slip bottom<br>- Works with all mice<br>- Size 220 x 180 mm This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-140-4185, 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 21938
NSN: 5930-00-140-4185
FSC: 5930
CAGE: 04034 — SETRA SYSTEMS, INC. DBA GEMS SENSORS (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleRECESSED
seal_width0.626 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
flexibilityRIGID
overall_width0.700 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
exterior_colorCLEAR
float_quantity1
overall_length0.700 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
inside_diameter0.187 INCHES NOMINAL IN
actuation_methodBUOYANCY
outside_diameter3.194 INCHES NOMINAL IN
special_featuresSUGGESTED NAME-WHEEL ASSEMBLY
NSN5930-00-140-4185
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Trust SWITCH,LIQUID LEVEL TITLE COMPONENT PN 21938 MFR Trust SWITCH,LIQUID LEVEL
KEY FEATURES
ACTUATION METHOD: BUOYANCY
FLOAT QUANTITY: 1
SPECIFIC EQUIPMENT ACCOMMODATED: ENGINE ROOM CONSOLE
TECHNICAL CHARACTERISTICS (FLIS)
ACTUATION METHODBUOYANCY
FLOAT QUANTITY1
SPECIFIC EQUIPMENT ACCOMMODATEDENGINE ROOM CONSOLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
2193-1-8Interchangeable
interchangeable cross-reference
interchangeable
2193-8Interchangeable
interchangeable cross-reference
interchangeable
7057SInterchangeable
interchangeable cross-reference
interchangeable
2536481Interchangeable
interchangeable cross-reference
interchangeable
6706Interchangeable
interchangeable cross-reference
interchangeable
60-11-4661-1661Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21938?
21938 is a SWITCH,LIQUID LEVEL manufactured by Trust. It is classified as a MRO (MRO_GENERAL).
What parts can replace 21938?
There are 7 known substitutes for 21938: 2193-1-8, 2193-8, 7057S and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21938?
21938 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-140-4185. This indicates validated use in U.S. government and defense supply chains.
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