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PC 178 — TRANSFORMER,AUDIO FREQUENCY

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

PC 178: TRANSFORMER,AUDIO FREQUENCY.

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include end_item_identification: CONTROLLER, 4, part_name_assigned_by_controlling_agency: CONTROLLER CARD. This part is cataloged in the U.S.

Government catalog under NSN 2930-00-931-8084, 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→ PC 178
NSN: 2930-00-931-8084
NIINs: 009318084, 016876691
FSC: 2930 — Engine Cooling System Components, Nonaircraft
CAGE: 76255 — MCQUAY-NORRIS INC OEM DIV AN SKF INDUSTRIES CO
SPECIFICATIONS
end_item_identificationCONTROLLER, 4
part_name_assigned_by_controlling_agencyCONTROLLER CARD
NSN2930-00-931-8084
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN PC 178 MFR TRANSFORMER,AUDIO FREQ
SUBSTITUTES & CROSS-REFERENCES 7
P151BReference document
Same NSN cross-reference
Reference document — Secondary reference
50151Reference document
Same NSN cross-reference
Reference document — Secondary reference
170027R91Reference document
Same NSN cross-reference
Reference document — Secondary reference
IN170027R91Reference document
Same NSN cross-reference
Reference document — Secondary reference
FP1200Reference document
Same NSN cross-reference
Reference document — Secondary reference
260540C92Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is PC 178?
PC 178 is a TRANSFORMER,AUDIO FREQUENCY. It is classified as a MRO (MRO_GENERAL).
What parts can replace PC 178?
There are 7 known substitutes for PC 178: P151B, 50151, 170027R91 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PC 178?
PC 178 is cataloged in the U.S. Government catalog under NSN 2930-00-931-8084. 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.