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18B1421 — TRANSFORMER,CURRENT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

18B1421: TRANSFORMER,CURRENT.

The TRANSFORMER,CURRENT is a the manufacturer industrial component. Key specifications include body_width: 2.000 INCHES NOMINAL IN, body_height: 2.812 INCHES MAXIMUM IN, body_length: 4.250 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED. This part is cataloged in the U.S.

Government catalog under NSN 5950-01-012-9873, 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
18B1421
NSN: 5950-01-012-9873
FSC: 5950 — Coils and Transformers
CAGE: 04801 — L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC (USA)
SPECIFICATIONS
body_width2.000 INCHES NOMINAL IN
body_height2.812 INCHES MAXIMUM IN
body_length4.250 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
NSN5950-01-012-9873
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,CURRENT TITLE COMPONENT PN 18B1421 MFR TRANSFORMER,CURRENT
KEY FEATURES
•
INCLOSURE TYPE: FULLY INCLOSED
•
BODY WIDTH: 2.000 INCHES NOMINAL IN
•
BODY HEIGHT: 2.812 INCHES MAXIMUM IN
•
BODY LENGTH: 4.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
INCLOSURE TYPEFULLY INCLOSED
BODY WIDTH2.000 INCHES NOMINAL IN
BODY HEIGHT2.812 INCHES MAXIMUM IN
BODY LENGTH4.250 INCHES NOMINAL IN
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 1
30E3782PC7Same 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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 18B1421?
18B1421 is a TRANSFORMER,CURRENT.
What parts can replace 18B1421?
There is 1 known substitute for 18B1421: 30E3782PC7. Substitute compatibility should be verified for your specific system.
What is the NSN for 18B1421?
18B1421 is cataloged in the U.S. Government catalog under NSN 5950-01-012-9873. 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.