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6404978 — PARTS KIT,BALL VALVE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

6404978: PARTS KIT,BALL VALVE.

The PARTS KIT,BALL VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, cam_width: 1.000 INCHES NOMINAL IN, specific_use: BALL VALVE, overall_length: 13.210 INCHES NOMINAL IN, document_source: 53711, special_features: BALL VALVE KIT. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-348-9602, 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
6404978
NSN: 3040-01-348-9602
NIINs: 013489602, 014003196, 014423389, 014678344
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY
cam_width1.000 INCHES NOMINAL IN
specific_useBALL VALVE
overall_length13.210 INCHES NOMINAL IN
document_source53711
special_featuresBALL VALVE KIT
nominal_thickness1.750 INCHES IN
cam_overall_length1.438 INCHES NOMINAL IN
component_quantity2
end_item_identificationSEAWOLF CLASS SSN
stem_actuating_end_typeTHREADED EXTERNALLY
largest_outside_diameter2.365 INCHES NOMINAL IN
NSN3040-01-348-9602
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PARTS KIT,BALL VALVE TITLE COMPONENT PN 6404978 MFR PARTS KIT,BALL VALVE
KEY FEATURES
•
CAM WIDTH: 1.000 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281,CL A,COND HF FED SPEC SINGLE MATERIAL RESPONSE
•
CAM OVERALL LENGTH: 0.938 INCHES NOMINAL IN
•
FEATURES PROVIDED: KEYWAY
•
SPECIFIC USE: 4-INCH,3-WAY SEAWATER SERVICE BALL VALVE
•
MATERIAL: NICKEL ALLOY
•
NOMINAL THICKNESS: 0.500 INCHES IN
TECHNICAL CHARACTERISTICS
CAM WIDTH1.000 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CL A,COND HF FED SPEC SINGLE MATERIAL RESPONSE
CAM OVERALL LENGTH0.938 INCHES NOMINAL IN
FEATURES PROVIDEDKEYWAY
SPECIFIC USE4-INCH,3-WAY SEAWATER SERVICE BALL VALVE
MATERIALNICKEL ALLOY
NOMINAL THICKNESS0.500 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 3
211046389Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
801-6404978Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
DF330655 FIND 2Reference 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
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FREQUENTLY ASKED QUESTIONS
What is 6404978?
6404978 is a PARTS KIT,BALL VALVE.
What parts can replace 6404978?
There are 3 known substitutes for 6404978: 211046389, 801-6404978, DF330655 FIND 2. Substitute compatibility should be verified for your specific system.
What is the NSN for 6404978?
6404978 is cataloged in the U.S. Government catalog under NSN 3040-01-348-9602. 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.