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PartsTable / COMPONENT / B18-3
B18-3 ✓ 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 CIRCULATOR,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include color: ORANGE CORE WRAP OVERALL, width: 0.125 INCHES NOMINAL IN, material: STEEL, tip_type: MALE HEXAGONAL, unit_type: HEX, head_style: FILLISTER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-018-0415, 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
B18-3
NSN: 5950-00-018-0415
FSC: 5950
CAGE: 91816 — CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC (USA)
SPECIFICATIONS
colorORANGE CORE WRAP OVERALL
width0.125 INCHES NOMINAL IN
materialSTEEL
tip_typeMALE HEXAGONAL
unit_typeHEX
head_styleFILLISTER
body_length0.453 INCHES NOMINAL IN
handle_typeL-STYLE
head_height0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
blade_length15.0 INCHES NOMINAL IN
key_quantity8
thread_class3A A
NSN5950-00-018-0415
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CIRCULATOR,RADIO FREQUENCY TITLE COMPONENT PN B18-3 MFR CIRCULATOR,RADIO FREQU
KEY FEATURES
•
CORE CONSTRUCTION: POWDERED SINGLE COMPONENT
•
INCLOSURE TYPE: FULLY INCLOSED
•
BODY OUTSIDE DIAMETER: 0.359 INCHES NOMINAL IN
•
MOUNTING METHOD: TERMINAL SINGLE GROUP
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
TERMINAL TYPE AND QUANTITY: 2 WIRE LEAD
•
BODY LENGTH: 0.453 INCHES NOMINAL IN
•
WINDING QUANTITY: 1 SINGLE COMPONENT
TECHNICAL CHARACTERISTICS (FLIS)
CORE CONSTRUCTIONPOWDERED SINGLE COMPONENT
INCLOSURE TYPEFULLY INCLOSED
BODY OUTSIDE DIAMETER0.359 INCHES NOMINAL IN
MOUNTING METHODTERMINAL SINGLE GROUP
RELIABILITY INDICATORNOT ESTABLISHED
TERMINAL TYPE AND QUANTITY2 WIRE LEAD
BODY LENGTH0.453 INCHES NOMINAL IN
WINDING QUANTITY1 SINGLE COMPONENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
SH183Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B18-3?
B18-3 is a CIRCULATOR,RADIO FREQUENCY.
What parts can replace B18-3?
There is 1 known substitute for B18-3: SH183. Substitute compatibility should be verified for your specific system.
What is the NSN for B18-3?
B18-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-018-0415. 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