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Technical Data Sheet
331B ✓ 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,CODE INDICATING WHEEL is a the manufacturer industrial component. Key specifications include color: BLACK SINGLE BODY, material: STEEL OVERALL, actuator_type: THUMBWHEEL SINGLE ACTUATOR, overall_width: 0.4200 INCHES NOMINAL IN, terminal_type: PRINTED CIRCUIT, overall_height: 2.288 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-133-0531, 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 331B
NSN: 5930-00-133-0531
FSC: 5930
CAGE: 07126 — ELECTRO SWITCH CORP. DBA ELECTRO SWITCH CORP DIV DIGITRAN A UNIT OF ELECTRO SWITCH (USA)
SPECIFICATIONS
colorBLACK SINGLE BODY
materialSTEEL OVERALL
actuator_typeTHUMBWHEEL SINGLE ACTUATOR
overall_width0.4200 INCHES NOMINAL IN
terminal_typePRINTED CIRCUIT
overall_height2.288 INCHES NOMINAL IN
overall_length0.500 INCHES NOMINAL IN
mounting_methodPRESS FIT SINGLE MOUNTING FACILITY
outside_diameter1.9800 INCHES NOMINAL IN
special_featuresPREPACKAGED; FOR USE WITH MEDICAL EQUIPMENT SET LABORATORY FIELD LIGHTWEIGHT, 6545-01-538-5842; NOTE F; NOTE 1; FOR LIST OF COMPONENTS, SEE UA 331C
style_designatorNORMAL ANGLE
precious_materialGOLD OR RHODIUM
NSN5930-00-133-0531
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,CODE INDICATING WHEEL TITLE COMPONENT PN 331B MFR SWITCH,CODE INDICATING
KEY FEATURES
STYLE DESIGNATOR: RECTANGULAR INDICATING
CONTACT VOLTAGE RATING IN VOLTS: 200.0 AC AT SEA LEVEL
CONTACT ARRANGEMENT TRUTH TABLE: BCD, 1 POLE - 10 POSITIONS SINGLE SECTION
CONTACT LOAD CURRENT RATING: 60.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL
TERMINAL TYPE: PRINTED CIRCUIT
PRECIOUS MATERIAL AND LOCATION: CONTACTS AND PRINTED CIRCUIT BOARD SURFACES GOLD OR CONTACTS AND PRINTED CIRCUIT BOARD SURFACES RHODIUM
SWITCH ACTUATOR INDEXING POSITION QUANTITY: 10 SINGLE ACTUATOR
READOUT INDICATOR MARKING: 0,1,2,3,4,5,6,7,8,9 SINGLE SECTION
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORRECTANGULAR INDICATING
CONTACT VOLTAGE RATING IN VOLTS200.0 AC AT SEA LEVEL
CONTACT ARRANGEMENT TRUTH TABLEBCD, 1 POLE - 10 POSITIONS SINGLE SECTION
CONTACT LOAD CURRENT RATING60.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL
TERMINAL TYPEPRINTED CIRCUIT
PRECIOUS MATERIAL AND LOCATIONCONTACTS AND PRINTED CIRCUIT BOARD SURFACES GOLD OR CONTACTS AND PRINTED CIRCUIT BOARD SURFACES RHODIUM
SWITCH ACTUATOR INDEXING POSITION QUANTITY10 SINGLE ACTUATOR
READOUT INDICATOR MARKING0,1,2,3,4,5,6,7,8,9 SINGLE SECTION
PRECIOUS MATERIALGOLD OR RHODIUM
OVERALL WIDTH1.875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
67342Interchangeable
interchangeable cross-reference
interchangeable
C-16Interchangeable
interchangeable cross-reference
interchangeable
L44610Interchangeable
interchangeable cross-reference
interchangeable
6545NCM072137Interchangeable
interchangeable cross-reference
interchangeable
331BInterchangeable
interchangeable cross-reference
interchangeable
UA 331CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 331B?
331B is a SWITCH,CODE INDICATING WHEEL. It is classified as a MRO (MRO_GENERAL).
What parts can replace 331B?
There are 8 known substitutes for 331B: 67342, C-16, L44610 and 5 more. Substitute compatibility should be verified for your specific system.
Is 331B still available?
331B is currently cancelled.
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