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Technical Data Sheet
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D73911 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

D73911: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include outside_diameter: 1.000 INCHES NOMINAL IN, aperture_diameter: 0.344 INCHES NOMINAL IN, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-857-0555, 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
D73911
NSN: 5330-00-857-0555
FSC: 5330 — Packing and Gasket Materials
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
outside_diameter1.000 INCHES NOMINAL IN
aperture_diameter0.344 INCHES NOMINAL IN
surface_treatmentZINC OVERALL
NSN5330-00-857-0555
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D73911 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
•
OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
APERTURE DIAMETER: 0.344 INCHES NOMINAL IN
•
SURFACE TREATMENT: ZINC OVERALL
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
APERTURE DIAMETER0.344 INCHES NOMINAL IN
SURFACE TREATMENTZINC OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
73911Reference document
Same NSN cross-reference
Reference document — Secondary reference
2191-P018462Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
P18462Reference 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 D73911?
D73911 is a GASKET.
What parts can replace D73911?
There are 3 known substitutes for D73911: 73911, 2191-P018462, P18462. Substitute compatibility should be verified for your specific system.
What is the NSN for D73911?
D73911 is cataloged in the U.S. Government catalog under NSN 5330-00-857-0555. This indicates validated use in U.S. government and defense supply chains.
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