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B16511 — DIAPHRAGM,ACTUATOR VALVE,SPECIAL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B16511: DIAPHRAGM,ACTUATOR VALVE,SPECIAL.

DIAPHRAGM,ACTUATOR VALVE,SPECIAL. Key specifications include material: STEEL COMP 303, valve_size: 2.000 INCHES IN, bonnet_type: INSIDE SPRING, temp_rating: 160.0 FAHRENHEIT MAXIMUM DEGF, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS. 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
NSN: 4820-01-446-2405
NIINs: 014462405, 014465102, 014465107, 014467885
FSC: 4820 — Valves, Nonpowered
CAGE: 1W506 — CARLETON TECHNOLOGIES INC DIV TAMPA FACILITY (USA)
SPECIFICATIONS
materialSTEEL COMP 303
valve_size2.000 INCHES IN
bonnet_typeINSIDE SPRING
temp_rating160.0 FAHRENHEIT MAXIMUM DEGF
flange_shapeROUND WITH HOLES ALL ENDS
connection_typeFLANGE ALL ENDS
pressure_rating60.5 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
style_designatorSPECIAL SHAPED
nominal_thickness0.500 INCHES ALL ENDS IN
bolt_hole_quantity4 ALL ENDS
flange_face_designPLAIN ALL ENDS
operating_pressure60.500 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NSN4820-01-446-2405
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B16511 · 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
B16511 ITEM 3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
B17092-1Reference 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 B16511?
B16511 is a DIAPHRAGM,ACTUATOR VALVE,SPECIAL.
What parts can replace B16511?
There are 2 known substitutes for B16511: B16511 ITEM 3, B17092-1. Substitute compatibility should be verified for your specific system.
What is the NSN for B16511?
B16511 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.