PartsTable
Technical Data Sheet

3J 7/8 — COUPLING,SHAFT,FLEXIBLE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3J 7/8: COUPLING,SHAFT,FLEXIBLE.

The COUPLING,SHAFT,FLEXIBLE is a the manufacturer industrial component. Key specifications include specification/standard_data: 79425-3J 7/8 MANUFACTURERS STANDARD. This part is cataloged in the U.S.

Government catalog under NSN 3460-00-238-3095, 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
3J 7/8
NSN: 3460-00-238-3095
NIINs: 002383095, 013577602
FSC: 3460 — Machine Tool Accessories
CAGE: 27239 — HARDINGE BROS INC (USA)
SPECIFICATIONS
specification/standard_data79425-3J 7/8 MANUFACTURERS STANDARD
NSN3460-00-238-3095
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING,SHAFT,FLEXIBLE TITLE COMPONENT PN 3J 7/8 MFR COUPLING,SHAFT,FLEXIBL
KEY FEATURES
•
DESIGN TYPE: SPRING DRAW-IN
•
INTERNAL GRIP HOLE SHAPE: ROUND
•
THREAD LOCATION: EXTERNAL
•
BODY DIAMETER: 2.000 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL SIZE ACCOMMODATED: 0.875 INCHES NOMINAL IN
•
THREAD SIZE: 1.995-20
TECHNICAL CHARACTERISTICS
DESIGN TYPESPRING DRAW-IN
INTERNAL GRIP HOLE SHAPEROUND
OVERALL LENGTH3.750 INCHES NOMINAL IN
THREAD LOCATIONEXTERNAL
BODY DIAMETER2.000 INCHES IN
THREAD DIRECTIONRIGHT-HAND
MATERIAL SIZE ACCOMMODATED0.875 INCHES NOMINAL IN
THREAD SIZE1.995-20
SCREW THREAD SERIES DESIGNATORUNS
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 1
1593-00-19-008750Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3J 7/8?
3J 7/8 is a COUPLING,SHAFT,FLEXIBLE.
What parts can replace 3J 7/8?
There is 1 known substitute for 3J 7/8: 1593-00-19-008750. Substitute compatibility should be verified for your specific system.
What is the NSN for 3J 7/8?
3J 7/8 is cataloged in the U.S. Government catalog under NSN 3460-00-238-3095. 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.