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6408589 — ADAPTER ASSEMBLY,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

6408589: ADAPTER ASSEMBLY,VALVE.

The ADAPTER ASSEMBLY,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, end_item_identification: SEAWOLF CLASS SSN, stem_actuating_end_type: THREADED EXTERNALLY, valve_size_for_which_designed: 0.250 INCHES IN, valve_type_for_which_designed: BALL, material_document_and_classification: QQ-N-286 FORM 2, COND-ANL, AH FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-350-0243, 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
6408589
NSN: 4820-01-350-0243
NIINs: 013500243, 013573454, 013573558, 014965097
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY
end_item_identificationSEAWOLF CLASS SSN
stem_actuating_end_typeTHREADED EXTERNALLY
valve_size_for_which_designed0.250 INCHES IN
valve_type_for_which_designedBALL
material_document_and_classificationQQ-N-286 FORM 2, COND-ANL, AH FED SPEC SINGLE MATERIAL RESPONSE
NSN4820-01-350-0243
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6408589 · 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
•
LARGEST OUTSIDE DIAMETER: 0.861 INCHES NOMINAL IN
•
STEM ACTUATING END TYPE: THREADED INTERNALLY
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
LARGEST OUTSIDE DIAMETER0.861 INCHES NOMINAL IN
STEM ACTUATING END TYPETHREADED INTERNALLY
OVERALL LENGTH4.250 INCHES NOMINAL IN
MATERIALNICKEL ALLOY
SUBSTITUTES & CROSS-REFERENCES 1
211054823Same 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 6408589?
6408589 is a ADAPTER ASSEMBLY,VALVE.
What parts can replace 6408589?
There is 1 known substitute for 6408589: 211054823. Substitute compatibility should be verified for your specific system.
What is the NSN for 6408589?
6408589 is cataloged in the U.S. Government catalog under NSN 4820-01-350-0243. 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.