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Technical Data Sheet
PartsTable / MRO / F103
F103 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include length: 0.64 INCHES MAXIMUM IN, end_type: OPEN, material: STEEL CORROSION RESISTING, body_width: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN, body_height: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN, body_length: 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-226-4822, 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→ F103
NSN: 5306-00-226-4822
FSC: 5306
CAGE: 00365 — TLD ACE CORP DIV TLD ACE (USA)
SPECIFICATIONS
length0.64 INCHES MAXIMUM IN
end_typeOPEN
materialSTEEL CORROSION RESISTING
body_width0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
body_height0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
body_length0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
terminal_typeTAB, SOLDER LUGTAB, SOLDER LUG
inclosure_typeENCAPSULATEDENCAPSULATED
terminal_width0.188 INCHES NOMINAL0.188 INCHES NOMINAL IN
connection_typeTHREADED INTERNAL PIPE ALL ENDS
heat_sink_width10.000 INCHES10.000 INCHES IN
terminal_length0.406 INCHES NOMINAL0.406 INCHES NOMINAL IN
NSN5306-00-226-4822
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: F103 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
18T12Interchangeable
interchangeable cross-reference
interchangeable
125-59-1Interchangeable
interchangeable cross-reference
interchangeable
L193Interchangeable
interchangeable cross-reference
interchangeable
FA141000HInterchangeable
interchangeable cross-reference
interchangeable
FA141200Interchangeable
interchangeable cross-reference
interchangeable
FA141031Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F103?
F103 is a RESISTOR,FIXED,WIRE WOUND,INDUCT. It is classified as a MRO (MRO_GENERAL).
What parts can replace F103?
There are 25 known substitutes for F103: 18T12, 125-59-1, L193 and 22 more. Substitute compatibility should be verified for your specific system.
Is F103 still available?
F103 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026