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1778954 — RING,EXTERNALLY THREADED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1778954: RING,EXTERNALLY THREADED.

The RING,EXTERNALLY THREADED is a the manufacturer industrial component. Key specifications include depth: 0.312 INCHES NOMINAL IN, diameter: 0.191 INCHES NOMINAL IN, material: ALUMINUM ALLOY 6061, bore_shape: STRAIGHT, drive_type: DRILLED FACE, thread_size: 3.918-12 THD SIZE. This part is cataloged in the U.S.

Government catalog under NSN 5365-00-403-7311, 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
1778954
NSN: 5365-00-403-7311
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
depth0.312 INCHES NOMINAL IN
diameter0.191 INCHES NOMINAL IN
materialALUMINUM ALLOY 6061
bore_shapeSTRAIGHT
drive_typeDRILLED FACE
thread_size3.918-12 THD SIZE
thread_class3A A
bore_diameter3.000 INCHES NOMINAL IN
beveled_threadNOT INCLUDED
overall_length0.312 INCHES NOMINAL IN
thread_locationBOTH ENDS
thread_directionRIGHT-HAND
NSN5365-00-403-7311
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,EXTERNALLY THREADED TITLE COMPONENT PN 1778954 MFR RING,EXTERNALLY THREAD
KEY FEATURES
•
BORE ANNULAR INTERNAL SERRATION: NOT INCLUDED
•
BEVELED THREAD: NOT INCLUDED
•
DRIVE TYPE: DRILLED FACE
•
DIAMETER: 0.191 INCHES NOMINAL IN
•
THREAD LOCATION: BOTH ENDS
•
BORE SHAPE: STRAIGHT
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
BORE ANNULAR INTERNAL SERRATIONNOT INCLUDED
BEVELED THREADNOT INCLUDED
DRIVE TYPEDRILLED FACE
DIAMETER0.191 INCHES NOMINAL IN
OVERALL LENGTH0.312 INCHES NOMINAL IN
THREAD LOCATIONBOTH ENDS
BORE SHAPESTRAIGHT
THREAD DIRECTIONRIGHT-HAND
SETSCREW LOCKING NOTCHNOT INCLUDED
ACCOMMODATION TYPE AND QUANTITY4 HOLES
OTHER ITEMS IN FSC 5365 — Bushings, Rings, Shims, and Spacers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5365-00-000-6078 5365-00-000-7436 5365-00-001-1292 5365-00-001-1365 5365-00-001-1841 5365-00-001-1915 5365-00-001-1916 5365-00-001-1940
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1778954?
1778954 is a RING,EXTERNALLY THREADED.
What is the NSN for 1778954?
1778954 is cataloged in the U.S. Government catalog under NSN 5365-00-403-7311. 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.