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B16511 ITEM 3 — DIAPHRAGM,ACTUATOR VALVE,SPECIAL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B16511 ITEM 3: DIAPHRAGM,ACTUATOR VALVE,SPECIAL.

DIAPHRAGM,ACTUATOR VALVE,SPECIAL. Key specifications include material: STEEL COMP 303, end_item_identification: ARLEIGH BURKE CLASSS DDG, valve_design_control_activity: 1W506, valve_size_for_which_designed: 2.000 INCHES IN, material_document_and_classification: ASTM-A582 ASSN STD SINGLE MATERIAL RESPONSE, valve_model_number_for_which_designed: B16511-1. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-446-2405, 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
B16511 ITEM 3
NSN: 4820-01-446-2405
FSC: 4820 — Valves, Nonpowered
CAGE: 04577 — MISSION SYSTEMS ORCHARD PARK INC (USA)
SPECIFICATIONS
materialSTEEL COMP 303
end_item_identificationARLEIGH BURKE CLASSS DDG
valve_design_control_activity1W506
valve_size_for_which_designed2.000 INCHES IN
material_document_and_classificationASTM-A582 ASSN STD SINGLE MATERIAL RESPONSE
valve_model_number_for_which_designedB16511-1
NSN4820-01-446-2405
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B16511 ITEM 3 · 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 MODEL NUMBER FOR WHICH DESIGNED: B16511-1
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-A582 ASSN STD SINGLE MATERIAL RESPONSE
•
VALVE SIZE FOR WHICH DESIGNED: 2.000 INCHES IN
•
VALVE DESIGN CONTROL ACTIVITY: 1W506
•
MATERIAL: STEEL COMP 303
TECHNICAL CHARACTERISTICS
VALVE MODEL NUMBER FOR WHICH DESIGNEDB16511-1
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A582 ASSN STD SINGLE MATERIAL RESPONSE
VALVE SIZE FOR WHICH DESIGNED2.000 INCHES IN
VALVE DESIGN CONTROL ACTIVITY1W506
END ITEM IDENTIFICATIONARLEIGH BURKE CLASSS DDG
MATERIALSTEEL COMP 303
SUBSTITUTES & CROSS-REFERENCES 2
B17092-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
B16511Reference 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 B16511 ITEM 3?
B16511 ITEM 3 is a DIAPHRAGM,ACTUATOR VALVE,SPECIAL.
What parts can replace B16511 ITEM 3?
There are 2 known substitutes for B16511 ITEM 3: B17092-1, B16511. Substitute compatibility should be verified for your specific system.
What is the NSN for B16511 ITEM 3?
B16511 ITEM 3 is cataloged in the U.S. Government catalog under NSN 4820-01-446-2405. 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.