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A140 — TRANSFORMER,RADIO FREQUENCY

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

A140: TRANSFORMER,RADIO FREQUENCY.

The TRANSFORMER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, body_length: 1.640 INCHES NOMINAL IN, physical_form: LIQUID, coil_form_type: HOLLOW SINGLE COMPONENT, inclosure_type: OPEN, first_end_style: CHAMFERED. This part is cataloged in the U.S.

Government catalog under NSN 5950-00-118-8122, 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→ A140
NSN: 5950-00-118-8122
NIINs: 001188122, 002646550, 008246193, 011397062, 012122098, 016629249
FSC: 5950 — Coils and Transformers
CAGE: 81815 — COMMUNICATION COIL, INC. DIV - (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
body_length1.640 INCHES NOMINAL IN
physical_formLIQUID
coil_form_typeHOLLOW SINGLE COMPONENT
inclosure_typeOPEN
first_end_styleCHAMFERED
mounting_methodTERMINAL SINGLE GROUP
inductance_rating31.70 MICROHENRIES NOMINAL SINGLE COMPONENT ALL PRIMARY
surface_treatmentPASSIVATE OVERALL
pin_overall_length4.000 INCHES NOMINAL IN
pin_overall_diameter0.1240 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
body_outside_diameter0.810 INCHES NOMINAL IN
NSN5950-00-118-8122
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,RADIO FREQUENCY TITLE COMPONENT PN A140 MFR TRANSFORMER,RADIO FREQ
KEY FEATURES
•
INCLOSURE TYPE: OPEN
•
BODY OUTSIDE DIAMETER: 0.810 INCHES NOMINAL IN
•
MOUNTING METHOD: TERMINAL SINGLE GROUP
•
INDUCTANCE RATING: 31.70 MICROHENRIES NOMINAL SINGLE COMPONENT ALL PRIMARY
•
ADJUSTMENT DEVICE DRIVE TYPE: SHAFT SINGLE COMPONENT
•
ADJUSTMENT METHOD AND QUANTITY: 1 ADJUSTABLE CORE SINGLE COMPONENT
•
COIL FORM TYPE: HOLLOW SINGLE COMPONENT
•
WINDING FUNCTION AND QUANTITY: 2 PRIMARY SINGLE COMPONENT
TECHNICAL CHARACTERISTICS
INCLOSURE TYPEOPEN
BODY OUTSIDE DIAMETER0.810 INCHES NOMINAL IN
MOUNTING METHODTERMINAL SINGLE GROUP
INDUCTANCE RATING31.70 MICROHENRIES NOMINAL SINGLE COMPONENT ALL PRIMARY
ADJUSTMENT DEVICE DRIVE TYPESHAFT SINGLE COMPONENT
ADJUSTMENT METHOD AND QUANTITY1 ADJUSTABLE CORE SINGLE COMPONENT
COIL FORM TYPEHOLLOW SINGLE COMPONENT
WINDING FUNCTION AND QUANTITY2 PRIMARY SINGLE COMPONENT
BODY LENGTH1.640 INCHES NOMINAL IN
RELIABILITY INDICATORNOT ESTABLISHED
SUBSTITUTES & CROSS-REFERENCES 1
278-2107-010Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A140?
A140 is a TRANSFORMER,RADIO FREQUENCY. It is classified as a MRO (MRO_GENERAL).
What parts can replace A140?
There is 1 known substitute for A140: 278-2107-010. Substitute compatibility should be verified for your specific system.
What is the NSN for A140?
A140 is cataloged in the U.S. Government catalog under NSN 5950-00-118-8122. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.