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331B — SWITCH,CODE INDICATING WHEEL

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

331B: SWITCH,CODE INDICATING WHEEL.

The SWITCH,CODE INDICATING WHEEL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, actuator_type: THUMBWHEEL SINGLE ACTUATOR, overall_width: 0.4200 INCHES NOMINAL IN, overall_height: 2.288 INCHES NOMINAL IN, overall_length: 0.500 INCHES NOMINAL IN, mounting_method: PRESS FIT SINGLE MOUNTING FACILITY. This part is cataloged in the U.S.

Government catalog 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
NIINs: 001330531, 008278648, 015602054
FSC: 5930 — Switches
CAGE: 07126 — ELECTRO SWITCH CORP. DBA ELECTRO SWITCH CORP DIV DIGITRAN A UNIT OF ELECTRO SWITCH (USA)
SPECIFICATIONS
materialSTEEL OVERALL
actuator_typeTHUMBWHEEL SINGLE ACTUATOR
overall_width0.4200 INCHES NOMINAL IN
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
backface_corner_radius0.0460 INCHES NOMINAL IN
end_item_identification6545-01-538-5842 MES,LABORATORY FIELD,LIGHTWEIGHT UA 331C
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
•
ACTUATOR TYPE: THUMBWHEEL SINGLE ACTUATOR
•
TERMINAL TYPE: PRINTED CIRCUIT
•
PRECIOUS MATERIAL: GOLD OR RHODIUM
•
CONTACT LOAD CURRENT RATING: 60.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL
•
MOUNTING METHOD: PRESS FIT SINGLE MOUNTING FACILITY
•
CONTACT ARRANGEMENT TRUTH TABLE: BCD, 1 POLE - 10 POSITIONS SINGLE SECTION
•
STYLE DESIGNATOR: RECTANGULAR INDICATING
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.288 INCHES NOMINAL IN
ACTUATOR TYPETHUMBWHEEL SINGLE ACTUATOR
TERMINAL TYPEPRINTED CIRCUIT
PRECIOUS MATERIALGOLD OR RHODIUM
CONTACT LOAD CURRENT RATING60.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL
MOUNTING METHODPRESS FIT SINGLE MOUNTING FACILITY
CONTACT ARRANGEMENT TRUTH TABLEBCD, 1 POLE - 10 POSITIONS SINGLE SECTION
STYLE DESIGNATORRECTANGULAR INDICATING
INDIVIDUAL SECTION QUANTITY1
OVERALL LENGTH0.500 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
104949-211Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
331Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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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 2 known substitutes for 331B: 104949-211, 331. Substitute compatibility should be verified for your specific system.
What is the NSN for 331B?
331B is cataloged in the U.S. Government catalog under NSN 5930-00-133-0531. This indicates validated use in U.S. government and defense supply chains.
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