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6404314 — CONNECTING LINK,RIGID

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

6404314: CONNECTING LINK,RIGID.

The CONNECTING LINK,RIGID is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, body_width: 1.500 INCHES NOMINAL IN, bore_shape: STRAIGHT BOTH ENDS, bore_length: 0.8440 INCHES NOMINAL BOTH ENDS IN, design_type: DOUBLE HELICAL FLEXURE, bore_diameter: 0.6250 INCHES NOMINAL BOTH ENDS IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-419-3134, 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
6404314
NSN: 4820-01-419-3134
NIINs: 014193134, 014201042, 014201161, 014201165
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
body_width1.500 INCHES NOMINAL IN
bore_shapeSTRAIGHT BOTH ENDS
bore_length0.8440 INCHES NOMINAL BOTH ENDS IN
design_typeDOUBLE HELICAL FLEXURE
bore_diameter0.6250 INCHES NOMINAL BOTH ENDS IN
hole_diameter0.127 INCHES NOMINAL BOTH ENDS IN
overall_width2.000 INCHES NOMINAL IN
step_quantity3
body_thickness1.000 INCHES NOMINAL IN
end_similarityNOT IDENTICAL
overall_height1.910 INCHES NOMINAL IN
NSN4820-01-419-3134
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6404314 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: MACHINED PLATE, HOT ROLLED ALUM PER QQ-A-250/9 ALLOY 5456, TEM-H321
•
MATERIAL: ALUMINUM ALLOY
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.375-18-2B UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.910 INCHES NOMINAL IN
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMACHINED PLATE, HOT ROLLED ALUM PER QQ-A-250/9 ALLOY 5456, TEM-H321
OVERALL LENGTH4.000 INCHES NOMINAL IN
OVERALL WIDTH2.000 INCHES NOMINAL IN
SPECIAL FEATURESRBP NORMAL FOLLOW-UP AND XMTR DRIVE ASSEMBLY
END ITEM IDENTIFICATIONNAVY WEAPON SYSTEM CODE JG, SEAWOLF CLASS SSN; N/H/A 6320-01-416-9357 FEEDBACK ASSEMBLY, NORMAL
MATERIALALUMINUM ALLOY
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.375-18-2B UNIFIED NATIONAL COARSE (UNC)
SUBSTITUTES & CROSS-REFERENCES 1
566-6404314-49Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 6404314?
6404314 is a CONNECTING LINK,RIGID.
What parts can replace 6404314?
There is 1 known substitute for 6404314: 566-6404314-49. Substitute compatibility should be verified for your specific system.
What is the NSN for 6404314?
6404314 is cataloged in the U.S. Government catalog under NSN 4820-01-419-3134. 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.