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1800643-2 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1800643-2: TRANSFORMER,AUDIO FREQUENCY.

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_width: 0.937 INCHES MAXIMUM IN, body_height: 1.937 INCHES MAXIMUM IN, body_length: 0.937 INCHES MAXIMUM IN, inclosure_type: FULLY INCLOSED, overall_height: 3.937 INCHES MAXIMUM IN, mounting_method: THREADED BUSHING SINGLE GROUP. This part is cataloged in the U.S.

Government catalog under NSN 5950-00-991-1232, 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
1800643-2
NSN: 5950-00-991-1232
FSC: 5950 — Coils and Transformers
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
body_width0.937 INCHES MAXIMUM IN
body_height1.937 INCHES MAXIMUM IN
body_length0.937 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
overall_height3.937 INCHES MAXIMUM IN
mounting_methodTHREADED BUSHING SINGLE GROUP
frequency_rating0.5 MEGAHERTZ NOMINAL SINGLE COMPONENT
nominal_thread_size0.250 INCHES SINGLE GROUP IN
thread_quantity_per_inch28 SINGLE GROUP
thread_series_designatorUNF SINGLE GROUP
winding_shielding_methodEXTERNAL INCLOSURE SINGLE COMPONENT
terminal_type_and_quantity4 TURRET
NSN5950-00-991-1232
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN 1800643-2 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
•
INCLOSURE TYPE: FULLY INCLOSED
•
MOUNTING METHOD: THREADED BUSHING SINGLE GROUP
•
BODY WIDTH: 0.937 INCHES MAXIMUM IN
•
BODY HEIGHT: 1.937 INCHES MAXIMUM IN
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
•
WINDING SHIELDING METHOD: EXTERNAL INCLOSURE SINGLE COMPONENT
•
NOMINAL THREAD SIZE: 0.250 INCHES SINGLE GROUP IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT3.937 INCHES MAXIMUM IN
INCLOSURE TYPEFULLY INCLOSED
MOUNTING METHODTHREADED BUSHING SINGLE GROUP
BODY WIDTH0.937 INCHES MAXIMUM IN
BODY HEIGHT1.937 INCHES MAXIMUM IN
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
WINDING SHIELDING METHODEXTERNAL INCLOSURE SINGLE COMPONENT
NOMINAL THREAD SIZE0.250 INCHES SINGLE GROUP IN
BODY LENGTH0.937 INCHES MAXIMUM IN
FREQUENCY RATING0.5 MEGAHERTZ NOMINAL SINGLE COMPONENT
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

No substitute or cross-reference records for this part.

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 1800643-2?
1800643-2 is a TRANSFORMER,AUDIO FREQUENCY.
What is the NSN for 1800643-2?
1800643-2 is cataloged in the U.S. Government catalog under NSN 5950-00-991-1232. 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.