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Technical Data Sheet
12271778E ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include overall_height: 0.031 INCHES NOMINAL IN, inside_diameter: 0.270 INCHES NOMINAL IN, outside_diameter: 0.800 INCHES NOMINAL IN, style_designator: ROUND, FLAT, material_document_and_classification: L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5970-01-100-8171, 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
12271778E
NSN: 5970-01-100-8171
FSC: 5970
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialPLASTIC POLYHEXAMETHYLENE AMIDE OR PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OR PLASTIC POLYCAPROLACTAM OR PLASTIC POLYHEXAMETHYLENE SEBACAMIDE OVERALL
overall_height0.031 INCHES NOMINAL IN
inside_diameter0.270 INCHES NOMINAL IN
outside_diameter0.800 INCHES NOMINAL IN
style_designatorROUND, FLAT
material_document_and_classificationL-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5970-01-100-8171
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN 12271778E MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
STYLE DESIGNATOR: ROUND, FLAT
OUTSIDE DIAMETER: 0.800 INCHES NOMINAL IN
MATERIAL: PLASTIC POLYHEXAMETHYLENE AMIDE OR PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OR PLASTIC POLYCAPROLACTAM OR PLASTIC POLYHEXAMETHYLENE SEBACAMIDE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
INSIDE DIAMETER: 0.270 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORROUND, FLAT
OUTSIDE DIAMETER0.800 INCHES NOMINAL IN
MATERIALPLASTIC POLYHEXAMETHYLENE AMIDE OR PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OR PLASTIC POLYCAPROLACTAM OR PLASTIC POLYHEXAMETHYLENE SEBACAMIDE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
INSIDE DIAMETER0.270 INCHES NOMINAL IN
OVERALL HEIGHT0.031 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
ER-499Interchangeable
interchangeable cross-reference
interchangeable
1227-1-778Interchangeable
interchangeable cross-reference
interchangeable
677-0035-000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12271778E?
12271778E is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 12271778E?
There are 3 known substitutes for 12271778E: ER-499, 1227-1-778, 677-0035-000. Substitute compatibility should be verified for your specific system.
What is the NSN for 12271778E?
12271778E is cataloged in the Federal Logistics Information System (FLIS) under NSN 5970-01-100-8171. This indicates validated use in U.S. government and defense supply chains.
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