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Technical Data Sheet
S-257 ✓ 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,CODE INDICATING WHEEL is a the manufacturer industrial component. Key specifications include base_style: MINIATURE BAYONET, bulb_style: G (GLOBULAR), shaft_type: ROUND SINGLE ACTUATOR, shaft_length: 2.375 INCHES NOMINAL SINGLE ACTUATOR IN, thread_class: 2A SINGLE MOUNTING FACILITY A, pole_quantity: 1 EACH SECTION FRONT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-00-944-1267, 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
S-257
NSN: 6240-00-944-1267
FSC: 6240
CAGE: 58815 — SHOKAI FAR EAST, LTD. (USA)
SPECIFICATIONS
base_styleMINIATURE BAYONET
bulb_styleG (GLOBULAR)
shaft_typeROUND SINGLE ACTUATOR
shaft_length2.375 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2A SINGLE MOUNTING FACILITY A
pole_quantity1 EACH SECTION FRONT
terminal_typeTAB, SOLDER LUG
thread_length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
overall_length4.937 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
throw_quantity12 EACH SECTION REAR
voltage_rating14.000 VOLTS NOMINAL
NSN6240-00-944-1267
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,CODE INDICATING WHEEL TITLE COMPONENT PN S-257 MFR SWITCH,CODE INDICATING
KEY FEATURES
LIGHT OUTPUT RATING: 1.600 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
SPECIFICATION/STANDARD DATA: 08108-257 MANUFACTURERS STANDARD
FILAMENT HEAVY DUTY SERVICE RATING: NOT RATED
VOLTAGE RATING: 14.000 VOLTS NOMINAL
WATTAGE RATING: 3.780 WATTS
CURRENT RATING FOR WHICH DESIGNED: 0.270 AMPERES NOMINAL
LIGHT CENTER LENGTH: 0.630 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
LIGHT OUTPUT RATING1.600 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
SPECIFICATION/STANDARD DATA08108-257 MANUFACTURERS STANDARD
FILAMENT HEAVY DUTY SERVICE RATINGNOT RATED
SPECIAL FEATURESFLASHER LAMP
VOLTAGE RATING14.000 VOLTS NOMINAL
WATTAGE RATING3.780 WATTS
CURRENT RATING FOR WHICH DESIGNED0.270 AMPERES NOMINAL
LIGHT CENTER LENGTH0.630 INCHES NOMINAL IN
EMITTED LIGHT CHARACTERISTICCOLORLESS
AVERAGE LIFE RATING IN HOURS500.0
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
FFS85Interchangeable
interchangeable cross-reference
interchangeable
11X121Interchangeable
interchangeable cross-reference
interchangeable
202791Interchangeable
interchangeable cross-reference
interchangeable
257Interchangeable
interchangeable cross-reference
interchangeable
320AS169-6Interchangeable
interchangeable cross-reference
interchangeable
3825 PART 15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S-257?
S-257 is a SWITCH,CODE INDICATING WHEEL.
What parts can replace S-257?
There are 28 known substitutes for S-257: FFS85, 11X121, 202791 and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S-257?
S-257 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-00-944-1267. This indicates validated use in U.S. government and defense supply chains.
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