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3172A4 — REACTOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3172A4: REACTOR.

The REACTOR is a the manufacturer industrial component. Key specifications include rating_method: ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING, turn_quantity: 100-1/2 SINGLE COMPONENT SINGLE WINDING, inclosure_type: OPEN, overall_length: 1.103 INCHES MAXIMUM IN, mounting_method: UNTHREADED HOLE(S) SINGLE GROUP, overall_diameter: 0.984 INCHES MINIMUM AND 1.024 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5950-01-140-7482, 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
3172A4
NSN: 5950-01-140-7482
FSC: 5950 — Coils and Transformers
CAGE: 72149 — ELECTRONIC TRANSFORMER CORP DIV ELECTRONIC TRANSFORMER CORPORATION (USA)
SPECIFICATIONS
rating_methodELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING
turn_quantity100-1/2 SINGLE COMPONENT SINGLE WINDING
inclosure_typeOPEN
overall_length1.103 INCHES MAXIMUM IN
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
overall_diameter0.984 INCHES MINIMUM AND 1.024 INCHES MAXIMUM IN
winding_quantity1 SINGLE COMPONENT
inductance_rating2.53 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
reliability_indicatorNOT ESTABLISHED
maximum_operating_temp125.0 CELSIUS DEGC
mounting_hole_diameter0.147 INCHES NOMINAL SINGLE GROUP IN
winding_conductor_size0.03125 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN
NSN5950-01-140-7482
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available REACTOR TITLE COMPONENT PN 3172A4 MFR REACTOR
KEY FEATURES
•
MOUNTING FACILITY QUANTITY: 1 SINGLE GROUP
•
INCLOSURE TYPE: OPEN
•
OVERALL DIAMETER: 0.984 INCHES MINIMUM AND 1.024 INCHES MAXIMUM IN
•
TURN QUANTITY: 100-1/2 SINGLE COMPONENT SINGLE WINDING
•
MOUNTING METHOD: UNTHREADED HOLE(S) SINGLE GROUP
•
INDUCTANCE RATING: 2.53 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
•
WINDING CONDUCTOR SIZE: 0.03125 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN
•
MOUNTING HOLE DIAMETER: 0.147 INCHES NOMINAL SINGLE GROUP IN
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY QUANTITY1 SINGLE GROUP
INCLOSURE TYPEOPEN
OVERALL DIAMETER0.984 INCHES MINIMUM AND 1.024 INCHES MAXIMUM IN
TURN QUANTITY100-1/2 SINGLE COMPONENT SINGLE WINDING
MOUNTING METHODUNTHREADED HOLE(S) SINGLE GROUP
INDUCTANCE RATING2.53 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
WINDING CONDUCTOR SIZE0.03125 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN
MOUNTING HOLE DIAMETER0.147 INCHES NOMINAL SINGLE GROUP IN
OVERALL LENGTH1.103 INCHES MAXIMUM IN
MAXIMUM OPERATING TEMP125.0 CELSIUS DEGC
OTHER ITEMS IN FSC 5950 — Coils and Transformers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5950-00-000-0146 5950-00-001-1372 5950-00-001-1386 5950-00-001-1410 5950-00-001-1411 5950-00-001-1412 5950-00-001-1413 5950-00-001-1414
SUBSTITUTES & CROSS-REFERENCES 3
10132839Reference document
Same NSN cross-reference
Reference document — Informative reference only
CLF512Reference document
Same NSN cross-reference
Reference document — Secondary reference
7109257-004Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 3172A4?
3172A4 is a REACTOR.
What parts can replace 3172A4?
There are 3 known substitutes for 3172A4: 10132839, CLF512, 7109257-004. Substitute compatibility should be verified for your specific system.
What is the NSN for 3172A4?
3172A4 is cataloged in the U.S. Government catalog under NSN 5950-01-140-7482. 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.