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Technical Data Sheet
PartsTable / COMPONENT / S2-18-U
S2-18-U ✓ 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 TRANSFORMER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include color: ALUMINUM, material: STEEL CORROSION RESISTING, duty_type: CONTINUOUS, nut_style: HEXAGON, nut_height: 0.766 INCHES NOMINAL IN, temp_rating: 1200.0 FAHRENHEIT MAXIMUM DEGF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-131-5753, 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
S2-18-U
NSN: 3040-00-131-5753
FSC: 3040
CAGE: 29440 — W. M. BERG, INC. (USA)
SPECIFICATIONS
colorALUMINUM
materialSTEEL CORROSION RESISTING
duty_typeCONTINUOUS
nut_styleHEXAGON
nut_height0.766 INCHES NOMINAL IN
temp_rating1200.0 FAHRENHEIT MAXIMUM DEGF
storage_typeGENERAL PURPOSE WAREHOUSE
thread_class3B
coil_quantity1
cubic_measure0.710 CUBIC INCHES
overall_width0.700 INCHES NOMINAL IN
thread_seriesUNF
NSN3040-00-131-5753
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,RADIO FREQUENCY TITLE COMPONENT PN S2-18-U MFR TRANSFORMER,RADIO FREQ
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
S218Interchangeable
interchangeable cross-reference
interchangeable
D11FM29AXHInterchangeable
interchangeable cross-reference
interchangeable
A418Interchangeable
interchangeable cross-reference
interchangeable
NC-16782Interchangeable
interchangeable cross-reference
interchangeable
S 21/8Interchangeable
interchangeable cross-reference
interchangeable
N-6974Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S2-18-U?
S2-18-U is a TRANSFORMER,RADIO FREQUENCY.
What parts can replace S2-18-U?
There are 19 known substitutes for S2-18-U: S218, D11FM29AXH, A418 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S2-18-U?
S2-18-U is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-131-5753. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026