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Technical Data Sheet
PartsTable / COMPONENT / D21.80.049
D21.80.049 ✓ 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 D21.80.049 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-443-0582, 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
D21.80.049
NSN: 5340-01-443-0582
FSC: 5340
CAGE: F8956 — GROUPE LEADER (FRA)
SPECIFICATIONS
Part NumberD21.80.049
NSN5340-01-443-0582
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D21.80.049 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 6
507385-1Interchangeable
interchangeable cross-reference
interchangeable
1703-9Interchangeable
interchangeable cross-reference
interchangeable
0170390004Interchangeable
interchangeable cross-reference
interchangeable
6515NCM104736Interchangeable
interchangeable cross-reference
interchangeable
201.760Interchangeable
interchangeable cross-reference
interchangeable
4190696Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D21.80.049?
D21.80.049 is a D21.80.049.
What parts can replace D21.80.049?
There are 6 known substitutes for D21.80.049: 507385-1, 1703-9, 0170390004 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D21.80.049?
D21.80.049 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-443-0582. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026