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211084952 — ADAPTER ASSEMBLY,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

211084952: ADAPTER ASSEMBLY,VALVE.

The ADAPTER ASSEMBLY,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, overall_length: 4.060 INCHES NOMINAL IN, features_provided: SPECIAL MARKING, end_item_identification: SEAWOLF CLASS SSN, stem_actuating_end_type: THREADED EXTERNALLY, valve_size_for_which_designed: 0.500 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-429-0556, 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
211084952
NSN: 4820-01-429-0556
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_length4.060 INCHES NOMINAL IN
features_providedSPECIAL MARKING
end_item_identificationSEAWOLF CLASS SSN
stem_actuating_end_typeTHREADED EXTERNALLY
valve_size_for_which_designed0.500 INCHES IN
valve_type_for_which_designedBALL
NSN4820-01-429-0556
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 211084952 · 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
•
VALVE TYPE FOR WHICH DESIGNED: BALL
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
•
FEATURES PROVIDED: SPECIAL MARKING
•
VALVE SIZE FOR WHICH DESIGNED: 0.500 INCHES IN
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDBALL
STEM ACTUATING END TYPETHREADED EXTERNALLY
OVERALL LENGTH4.060 INCHES NOMINAL IN
FEATURES PROVIDEDSPECIAL MARKING
VALVE SIZE FOR WHICH DESIGNED0.500 INCHES IN
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
MATERIALCOPPER ALLOY
SUBSTITUTES & CROSS-REFERENCES 2
2643-787-01 FN A-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
6408987Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 211084952?
211084952 is a ADAPTER ASSEMBLY,VALVE.
What parts can replace 211084952?
There are 2 known substitutes for 211084952: 2643-787-01 FN A-6, 6408987. Substitute compatibility should be verified for your specific system.
What is the NSN for 211084952?
211084952 is cataloged in the U.S. Government catalog under NSN 4820-01-429-0556. 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.