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Technical Data Sheet
705778 ✓ 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 RING,WEARING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_type: CORED, unit_type: STANDARD, head_height: 0.090 INCHES NOMINAL IN, thread_class: 2A EXTERNAL A, head_diameter: 0.560 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-303-6402, 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
705778
NSN: 4320-01-303-6402
FSC: 4320
CAGE: 1TH76 — ROLLS-ROYCE MARINE NORTH AMERICA INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_typeCORED
unit_typeSTANDARD
head_height0.090 INCHES NOMINAL IN
thread_class2A EXTERNAL A
head_diameter0.560 INCHES NOMINAL IN
overall_depth485.0 MILLIMETERS NOMINAL MM
overall_width433.0 MILLIMETERS NOMINAL MM
thread_length0.360 INCHES NOMINAL EXTERNAL IN
overall_height89.0 MILLIMETERS NOMINAL MM
overall_length0.450 INCHES NOMINAL IN
mounting_methodBENCH
NSN4320-01-303-6402
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,WEARING TITLE COMPONENT PN 705778 MFR RING,WEARING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
2N1117Interchangeable
interchangeable cross-reference
interchangeable
21117Interchangeable
interchangeable cross-reference
interchangeable
2950-165Interchangeable
interchangeable cross-reference
interchangeable
FFS92ANDTYPE1ANDSTYLE5SInterchangeable
interchangeable cross-reference
interchangeable
394249Interchangeable
interchangeable cross-reference
interchangeable
2640PL1495665Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 705778?
705778 is a RING,WEARING.
What parts can replace 705778?
There are 17 known substitutes for 705778: 2N1117, 21117, 2950-165 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 705778?
705778 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-303-6402. This indicates validated use in U.S. government and defense supply chains.
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