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D79042 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The GASKET is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-607-3505, 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
D79042
NSN: 5330-00-607-3505
FSC: 5330
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
Part NumberD79042
NSN5330-00-607-3505
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D79042 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
2-300-387-06Interchangeable
interchangeable cross-reference
interchangeable
5330PL2122765Interchangeable
interchangeable cross-reference
interchangeable
4-287-08Interchangeable
interchangeable cross-reference
interchangeable
88036LR1CJInterchangeable
interchangeable cross-reference
interchangeable
88036X1HInterchangeable
interchangeable cross-reference
interchangeable
88036X1LTInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D79042?
D79042 is a GASKET.
What parts can replace D79042?
There are 14 known substitutes for D79042: 2-300-387-06, 5330PL2122765, 4-287-08 and 11 more. Substitute compatibility should be verified for your specific system.
Is D79042 still available?
D79042 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026