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77D620111P001 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

77D620111P001: TRANSFORMER,AUDIO FREQUENCY.

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_width: 3.220 INCHES MINIMUM AND 3.280 INCHES MAXIMUM IN, body_height: 4.570 INCHES MINIMUM AND 4.630 INCHES MAXIMUM IN, body_length: 5.470 INCHES MINIMUM AND 5.530 INCHES MAXIMUM IN, inclosure_type: FULLY INCLOSED, mounting_method: UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 2.4 KILOHERTZ MINIMUM AND 4.5 KILOHERTZ MAXIMUM SINGLE COMPONENT. This part is cataloged in the U.S.

Government catalog under NSN 5950-01-294-4698, 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
77D620111P001
NSN: 5950-01-294-4698
FSC: 5950 — Coils and Transformers
CAGE: 03538 — LOCKHEED MARTIN CORPORATION DIV RMS (USA)
SPECIFICATIONS
body_width3.220 INCHES MINIMUM AND 3.280 INCHES MAXIMUM IN
body_height4.570 INCHES MINIMUM AND 4.630 INCHES MAXIMUM IN
body_length5.470 INCHES MINIMUM AND 5.530 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
frequency_rating2.4 KILOHERTZ MINIMUM AND 4.5 KILOHERTZ MAXIMUM SINGLE COMPONENT
special_features2 PRIMARY WINDINGS; 9 SECONDARY WINDINGS
reliability_indicatorNOT ESTABLISHED
mounting_hole_diameter2.220 INCHES MINIMUM AND 2.380 INCHES MAXIMUM SINGLE GROUP IN
winding_operating_current4.6 AMPERES AC MAXIMUM SINGLE COMPONENT ALL PRIMARY
mounting_facility_quantity1 SINGLE GROUP
terminal_type_and_quantity4 TURRET AND 18 WIRE LEAD
NSN5950-01-294-4698
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN 77D620111P001 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
•
MOUNTING FACILITY QUANTITY: 1 SINGLE GROUP
•
INCLOSURE TYPE: FULLY INCLOSED
•
MOUNTING METHOD: UNTHREADED HOLE(S) SINGLE GROUP
•
BODY WIDTH: 3.220 INCHES MINIMUM AND 3.280 INCHES MAXIMUM IN
•
BODY HEIGHT: 4.570 INCHES MINIMUM AND 4.630 INCHES MAXIMUM IN
•
MOUNTING HOLE DIAMETER: 2.220 INCHES MINIMUM AND 2.380 INCHES MAXIMUM SINGLE GROUP IN
•
WINDING FUNCTION AND QUANTITY: 2 PRIMARY AND 9 SECONDARY SINGLE COMPONENT
•
BODY LENGTH: 5.470 INCHES MINIMUM AND 5.530 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY QUANTITY1 SINGLE GROUP
INCLOSURE TYPEFULLY INCLOSED
MOUNTING METHODUNTHREADED HOLE(S) SINGLE GROUP
BODY WIDTH3.220 INCHES MINIMUM AND 3.280 INCHES MAXIMUM IN
BODY HEIGHT4.570 INCHES MINIMUM AND 4.630 INCHES MAXIMUM IN
MOUNTING HOLE DIAMETER2.220 INCHES MINIMUM AND 2.380 INCHES MAXIMUM SINGLE GROUP IN
WINDING FUNCTION AND QUANTITY2 PRIMARY AND 9 SECONDARY SINGLE COMPONENT
BODY LENGTH5.470 INCHES MINIMUM AND 5.530 INCHES MAXIMUM IN
WINDING OPERATING CURRENT4.6 AMPERES AC MAXIMUM SINGLE COMPONENT ALL PRIMARY
RELIABILITY INDICATORNOT ESTABLISHED
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
7345301G1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
RX01317Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
980901Same 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 77D620111P001?
77D620111P001 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 77D620111P001?
There are 3 known substitutes for 77D620111P001: 7345301G1, RX01317, 980901. Substitute compatibility should be verified for your specific system.
What is the NSN for 77D620111P001?
77D620111P001 is cataloged in the U.S. Government catalog under NSN 5950-01-294-4698. 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.