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A16645 PIECE 3 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A16645 PIECE 3: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, overall_height: 1.375 INCHES NOMINAL IN, shank_diameter: 2.861 INCHES NOMINAL IN, flange_diameter: 2.188 INCHES NOMINAL IN, style_designator: POPPET, media_for_which_designed: AIR. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-218-3720, 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
A16645 PIECE 3
NSN: 4820-01-218-3720
FSC: 4820 — Valves, Nonpowered
CAGE: 17479 — HONEYWELL INC COMMERCIAL DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_height1.375 INCHES NOMINAL IN
shank_diameter2.861 INCHES NOMINAL IN
flange_diameter2.188 INCHES NOMINAL IN
style_designatorPOPPET
media_for_which_designedAIR
NSN4820-01-218-3720
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A16645 PIECE 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
•
SHANK DIAMETER: 2.861 INCHES NOMINAL IN
•
FLANGE DIAMETER: 2.188 INCHES NOMINAL IN
•
STYLE DESIGNATOR: POPPET
•
MEDIA FOR WHICH DESIGNED: AIR
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
SHANK DIAMETER2.861 INCHES NOMINAL IN
FLANGE DIAMETER2.188 INCHES NOMINAL IN
OVERALL HEIGHT1.375 INCHES NOMINAL IN
STYLE DESIGNATORPOPPET
MEDIA FOR WHICH DESIGNEDAIR
MATERIALCOPPER ALLOY
SUBSTITUTES & CROSS-REFERENCES 3
S4824H3102154 PIECE 3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A16645Reference document
Same NSN cross-reference
Reference document — Secondary reference
S4824H3102154Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A16645 PIECE 3?
A16645 PIECE 3 is a DISK,VALVE.
What parts can replace A16645 PIECE 3?
There are 3 known substitutes for A16645 PIECE 3: S4824H3102154 PIECE 3, A16645, S4824H3102154. Substitute compatibility should be verified for your specific system.
What is the NSN for A16645 PIECE 3?
A16645 PIECE 3 is cataloged in the U.S. Government catalog under NSN 4820-01-218-3720. 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.