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71553-78X5PC10 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

71553-78X5PC10: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, outside_diameter: 19.005 INCHES NOMINAL IN, cross-sectional_height: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-046-4603, 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
71553-78X5PC10
NSN: 5331-00-046-4603
FSC: 5331 — O-ring
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
outside_diameter19.005 INCHES NOMINAL IN
cross-sectional_height0.250 INCHES NOMINAL IN
NSN5331-00-046-4603
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 71553-78X5PC10 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
•
CROSS-SECTIONAL HEIGHT: 0.250 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 19.005 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.250 INCHES NOMINAL IN
OUTSIDE DIAMETER19.005 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES 7
911R358 PIECE 15Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
807066-02Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
561A466Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS28775-466Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2-466-N304-75Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
ARP568-466MILP5 516CLBReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 71553-78X5PC10?
71553-78X5PC10 is a O-RING.
What parts can replace 71553-78X5PC10?
There are 7 known substitutes for 71553-78X5PC10: 911R358 PIECE 15, 807066-02, 561A466 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 71553-78X5PC10?
71553-78X5PC10 is cataloged in the U.S. Government catalog under NSN 5331-00-046-4603. 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.