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19963-3 — ARMOR ASSEMBLY,ENGI

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

19963-3: ARMOR ASSEMBLY,ENGI.

The ARMOR ASSEMBLY,ENGI is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, seat_angle: 45.0 DEGREES NOMINAL, overall_height: 0.688 INCHES NOMINAL IN, shank_diameter: 0.369 INCHES NOMINAL IN, flange_diameter: 0.531 INCHES NOMINAL IN, style_designator: POPPET. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-223-4921, 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
19963-3
NSN: 4820-00-223-4921
NIINs: 002234921, 009327682
FSC: 4820 — Valves, Nonpowered
CAGE: 04627 — HYSTER-YALE GROUP, INC. DIV HYSTER-YALE MATERIALS HANDLING (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
seat_angle45.0 DEGREES NOMINAL
overall_height0.688 INCHES NOMINAL IN
shank_diameter0.369 INCHES NOMINAL IN
flange_diameter0.531 INCHES NOMINAL IN
style_designatorPOPPET
NSN4820-00-223-4921
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 19963-3 · 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: 0.369 INCHES NOMINAL IN
•
FLANGE DIAMETER: 0.531 INCHES NOMINAL IN
•
STYLE DESIGNATOR: POPPET
•
SEAT ANGLE: 45.0 DEGREES NOMINAL
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.369 INCHES NOMINAL IN
FLANGE DIAMETER0.531 INCHES NOMINAL IN
OVERALL HEIGHT0.688 INCHES NOMINAL IN
STYLE DESIGNATORPOPPET
SEAT ANGLE45.0 DEGREES NOMINAL
MATERIALALUMINUM ALLOY
SUBSTITUTES & CROSS-REFERENCES 3
1653-635719Reference document
Same NSN cross-reference
Reference document — Secondary reference
635719Reference document
Same NSN cross-reference
Reference document — Secondary reference
D37068Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 19963-3?
19963-3 is a ARMOR ASSEMBLY,ENGI.
What parts can replace 19963-3?
There are 3 known substitutes for 19963-3: 1653-635719, 635719, D37068. Substitute compatibility should be verified for your specific system.
What is the NSN for 19963-3?
19963-3 is cataloged in the U.S. Government catalog under NSN 4820-00-223-4921. 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.