PartsTable
Technical Data Sheet
Download PDF

6404331 — CONNECTING LINK,RIGID

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

6404331: CONNECTING LINK,RIGID.

The CONNECTING LINK,RIGID is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, body_width: 2.2500 INCHES NOMINAL IN, link_style: STRAIGHT, bore_length: 3.880 INCHES NOMINAL IN, bore_diameter: 2.125 INCHES NOMINAL IN, body_thickness: 0.7500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-438-6270, 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
6404331
NSN: 3040-01-438-6270
NIINs: 014386270, 014387773, 014525213, 014777418
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY
body_width2.2500 INCHES NOMINAL IN
link_styleSTRAIGHT
bore_length3.880 INCHES NOMINAL IN
bore_diameter2.125 INCHES NOMINAL IN
body_thickness0.7500 INCHES NOMINAL IN
overall_length10.7950 INCHES NOMINAL IN
special_featuresHOLE RADIUS IS 1.250 IN IN
style_designatorCLEVIS ENDS
body_constructionSOLID
fulcrum_bore_shapePLAIN
end_hole/ball_diameter0.750 INCHES NOMINAL FIRST END IN
NSN3040-01-438-6270
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTING LINK,RIGID TITLE COMPONENT PN 6404331 MFR CONNECTING LINK,RIGID
KEY FEATURES
•
BODY CONSTRUCTION: SOLID
•
LINK STYLE: STRAIGHT
•
BODY WIDTH: 2.2500 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY
•
BODY THICKNESS: 0.7500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BODY CONSTRUCTIONSOLID
LINK STYLESTRAIGHT
BODY WIDTH2.2500 INCHES NOMINAL IN
OVERALL LENGTH10.7950 INCHES NOMINAL IN
END ITEM IDENTIFICATIONMBT VENT VALVE OPERATING GEAR LINKAGE;W/S SEAWOLF CLASS SUBMARINE
MATERIALNICKEL ALLOY
BODY THICKNESS0.7500 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
563-6404331 FIND 45Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
DF6002-416 FIND 45Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 6404331?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 6404331?
6404331 is a CONNECTING LINK,RIGID.
What parts can replace 6404331?
There are 2 known substitutes for 6404331: 563-6404331 FIND 45, DF6002-416 FIND 45. Substitute compatibility should be verified for your specific system.
What is the NSN for 6404331?
6404331 is cataloged in the U.S. Government catalog under NSN 3040-01-438-6270. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 6404331

✓ 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.