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PartsTable / COMPONENT / MIL-E-17777/MIL-CUC-A
MIL-E-17777/MIL-CUC-A ✓ 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 MIL-E-17777/MIL-CUC-A is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3439-00-870-9934, 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
MIL-E-17777/MIL-CUC-A
NSN: 3439-00-870-9934
FSC: 3439
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberMIL-E-17777/MIL-CUC-A
NSN3439-00-870-9934
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MIL-E-17777/MIL-CUC-A TITLE COMPONENT PN MIL-E-17777/MIL-CUC-A MFR MIL-E-17777/MIL-CUC-A
KEY FEATURES
•
SHAPE: ROUND
•
NONDEFINITIVE SPEC/STD DATA: PE;MIL CUC-A TYPE
•
LENGTH: 12.000 INCHES NOMINAL12.000 INCHES NOMINAL IN
•
MATERIAL: CARBON NON FILLER
•
OUTSIDE DIAMETER: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-E-17777,TY MIL-CUC-A MIL SPEC MIL SPEC SINGLE MATERIAL RESPONSE NON FILLER
•
PROCESS TYPE FOR WHICH DESIGNED: CARBON ARCCARBON ARC
•
SURFACE TREATMENT: COPPER
TECHNICAL CHARACTERISTICS (FLIS)
SHAPEROUND
NONDEFINITIVE SPEC/STD DATAPE;MIL CUC-A TYPE
LENGTH12.000 INCHES NOMINAL12.000 INCHES NOMINAL IN
MATERIALCARBON NON FILLER
OUTSIDE DIAMETER0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-E-17777,TY MIL-CUC-A MIL SPEC MIL SPEC SINGLE MATERIAL RESPONSE NON FILLER
PROCESS TYPE FOR WHICH DESIGNEDCARBON ARCCARBON ARC
SURFACE TREATMENTCOPPER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-E-17777 MIL SPEC SINGLE TREATMENT RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
21043Interchangeable
interchangeable cross-reference
interchangeable
8148650Interchangeable
interchangeable cross-reference
interchangeable
21043-1Interchangeable
interchangeable cross-reference
interchangeable
MIL-E-17777/MIL-CUC-AInterchangeable
interchangeable cross-reference
interchangeable
MIL-E-17777/MIL-CUC-CInterchangeable
interchangeable cross-reference
interchangeable
21043JInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-E-17777/MIL-CUC-A?
MIL-E-17777/MIL-CUC-A is a MIL-E-17777/MIL-CUC-A.
What parts can replace MIL-E-17777/MIL-CUC-A?
There are 10 known substitutes for MIL-E-17777/MIL-CUC-A: 21043, 8148650, 21043-1 and 7 more. Substitute compatibility should be verified for your specific system.
Is MIL-E-17777/MIL-CUC-A still available?
MIL-E-17777/MIL-CUC-A is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026