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211055373 — PARTS KIT,BALL VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

211055373: PARTS KIT,BALL VALVE.

The PARTS KIT,BALL VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY AND COPPER ALLOY, overall_length: 6.220 INCHES NOMINAL IN, end_item_identification: SEAWOLF CLASS SSN, stem_actuating_end_type: THREADED INTERNALLY, largest_outside_diameter: 1.560 INCHES NOMINAL IN, valve_size_for_which_designed: 1.500 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-415-3164, 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
211055373
NSN: 4820-01-415-3164
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY AND COPPER ALLOY
overall_length6.220 INCHES NOMINAL IN
end_item_identificationSEAWOLF CLASS SSN
stem_actuating_end_typeTHREADED INTERNALLY
largest_outside_diameter1.560 INCHES NOMINAL IN
valve_size_for_which_designed1.500 INCHES IN
valve_type_for_which_designedBALL
NSN4820-01-415-3164
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 211055373 · 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
•
LARGEST OUTSIDE DIAMETER: 1.560 INCHES NOMINAL IN
•
STEM ACTUATING END TYPE: THREADED INTERNALLY
•
VALVE SIZE FOR WHICH DESIGNED: 1.500 INCHES IN
•
MATERIAL: NICKEL ALLOY AND COPPER ALLOY
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDBALL
LARGEST OUTSIDE DIAMETER1.560 INCHES NOMINAL IN
STEM ACTUATING END TYPETHREADED INTERNALLY
OVERALL LENGTH6.220 INCHES NOMINAL IN
VALVE SIZE FOR WHICH DESIGNED1.500 INCHES IN
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
MATERIALNICKEL ALLOY AND COPPER ALLOY
SUBSTITUTES & CROSS-REFERENCES 2
556-6405334-121Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6405334Reference 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 211055373?
211055373 is a PARTS KIT,BALL VALVE.
What parts can replace 211055373?
There are 2 known substitutes for 211055373: 556-6405334-121, 6405334. Substitute compatibility should be verified for your specific system.
What is the NSN for 211055373?
211055373 is cataloged in the U.S. Government catalog under NSN 4820-01-415-3164. 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.