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Technical Data Sheet
SM-A-949400-2 ✓ 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,WAVEGUIDE is a the manufacturer industrial component. Key specifications include switch_type: TRANSFER, overall_width: 4.250 INCHES NOMINAL IN, overall_height: 7.750 INCHES NOMINAL IN, overall_length: 4.250 INCHES NOMINAL IN, switching_time: 150.0 MILLISECONDS MS, nominal_thread_size: 0.250 INCHES MOUNTING FACILITY HOLE 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 5985-01-090-9512, 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
SM-A-949400-2
NSN: 5985-01-090-9512
FSC: 5985
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
switch_typeTRANSFER
overall_width4.250 INCHES NOMINAL IN
overall_height7.750 INCHES NOMINAL IN
overall_length4.250 INCHES NOMINAL IN
switching_time150.0 MILLISECONDS MS
nominal_thread_size0.250 INCHES MOUNTING FACILITY HOLE IN
operating_temp_range-40.0 TO 203.0 FAHRENHEIT DEGF
waveguide_flange_typeCONTACT
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) MOUNTING FACILITY HOLE
actuator_operating_methodMANUAL
actuator_voltage_in_volts28.0 NOMINAL
coupling_position_quantity4
NSN5985-01-090-9512
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,WAVEGUIDE TITLE COMPONENT PN SM-A-949400-2 MFR SWITCH,WAVEGUIDE
KEY FEATURES
WAVEGUIDE FLANGE TYPE: CONTACT
INSERTION LOSS IN DECIBELS: 0.02 SINGLE
ACTUATOR VOLTAGE IN VOLTS: 28.0 NOMINAL
SWITCH RETURN MECHANISM TYPE: LATCHING
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) MOUNTING FACILITY HOLE
COUPLING POSITION QUANTITY: 4
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH4.250 INCHES NOMINAL IN
WAVEGUIDE FLANGE TYPECONTACT
OVERALL WIDTH4.250 INCHES NOMINAL IN
INSERTION LOSS IN DECIBELS0.02 SINGLE
ACTUATOR VOLTAGE IN VOLTS28.0 NOMINAL
SWITCH RETURN MECHANISM TYPELATCHING
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) MOUNTING FACILITY HOLE
COUPLING POSITION QUANTITY4
MINIMUM CROSSTALK RATING IN DECIBELS70.0 SINGLE
ACTUATOR CURRENT TYPE AND RATING IN AMPS2.5 DC NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
500Interchangeable
interchangeable cross-reference
interchangeable
2511 9/64Interchangeable
interchangeable cross-reference
interchangeable
110 9/64Interchangeable
interchangeable cross-reference
interchangeable
41109Interchangeable
interchangeable cross-reference
interchangeable
16A3749Interchangeable
interchangeable cross-reference
interchangeable
17986RInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM-A-949400-2?
SM-A-949400-2 is a SWITCH,WAVEGUIDE.
What parts can replace SM-A-949400-2?
There are 11 known substitutes for SM-A-949400-2: 500, 2511 9/64, 110 9/64 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SM-A-949400-2?
SM-A-949400-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-090-9512. This indicates validated use in U.S. government and defense supply chains.
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