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H511-0103-26 — PLATE,RETAINING,SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

H511-0103-26: PLATE,RETAINING,SEAL.

The PLATE,RETAINING,SEAL is a the manufacturer industrial component. Key specifications include shape: ROUND, material: NICKEL ALLOY, mounting_method: UNTHREADED COUNTERSUNK MOUNTING HOLES, overall_diameter: 23.308 INCHES NOMINAL IN, overall_thickness: 2.000 INCHES NOMINAL IN, end_item_identification: USED ON THE RUDDER. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-495-7931, 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
H511-0103-26
NSN: 5340-01-495-7931
FSC: 5340 — Hardware, Commercial
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
shapeROUND
materialNICKEL ALLOY
mounting_methodUNTHREADED COUNTERSUNK MOUNTING HOLES
overall_diameter23.308 INCHES NOMINAL IN
overall_thickness2.000 INCHES NOMINAL IN
mounting_hole_quantity6
end_item_identificationUSED ON THE RUDDER
NSN5340-01-495-7931
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H511-0103-26 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MOUNTING HOLE QUANTITY: 6
•
OVERALL DIAMETER: 23.308 INCHES NOMINAL IN
•
MOUNTING METHOD: UNTHREADED COUNTERSUNK MOUNTING HOLES
•
OVERALL THICKNESS: 2.000 INCHES NOMINAL IN
•
SHAPE: ROUND
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY6
OVERALL DIAMETER23.308 INCHES NOMINAL IN
MOUNTING METHODUNTHREADED COUNTERSUNK MOUNTING HOLES
OVERALL THICKNESS2.000 INCHES NOMINAL IN
SHAPEROUND
END ITEM IDENTIFICATIONUSED ON THE RUDDER
MATERIALNICKEL ALLOY
SUBSTITUTES & CROSS-REFERENCES 3
H511-0103-27Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
561-6985067--27Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6895067Reference 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 H511-0103-26?
H511-0103-26 is a PLATE,RETAINING,SEAL.
What parts can replace H511-0103-26?
There are 3 known substitutes for H511-0103-26: H511-0103-27, 561-6985067--27, 6895067. Substitute compatibility should be verified for your specific system.
What is the NSN for H511-0103-26?
H511-0103-26 is cataloged in the U.S. Government catalog under NSN 5340-01-495-7931. 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.