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Technical Data Sheet
PartsTable / COMPONENT / 1821817
1821817 ✓ 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 ADAPTER,MECHANICAL TEST is a the manufacturer industrial component. Key specifications include end_item_identification: NSN 4910-016134708. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-672-3849, 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
1821817
NSN: 5330-00-672-3849
FSC: 5330
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
end_item_identificationNSN 4910-016134708
NSN5330-00-672-3849
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1821817 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 SHAPE STYLE: SQUARE/RECTANGULAR TOP RING
•
JOINT TYPE: BUTT TOP RING
•
OUTSIDE DIAMETER: 2.000 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC INTERMEDIATE RING
•
TEMP RATING: 180.0 FAHRENHEIT DEGF
•
HEIGHT: 0.272 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR TOP RING
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR BOTTOM RING
JOINT TYPEBUTT TOP RING
OUTSIDE DIAMETER2.000 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC INTERMEDIATE RING
MATERIALPLASTIC TETRAFLUOROETHYLENE BOTTOM RING
TEMP RATING180.0 FAHRENHEIT DEGF
HEIGHT0.272 INCHES NOMINAL IN
JOINT TYPEBUTT BOTTOM RING
INSIDE DIAMETER1.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
807-1501 3-8INInterchangeable
interchangeable cross-reference
interchangeable
W022074B02TS/33311-30J/882057681Interchangeable
interchangeable cross-reference
interchangeable
803-2177525Interchangeable
interchangeable cross-reference
interchangeable
GGG-P-781 TY13CL4SZ 1 THRU 11Interchangeable
interchangeable cross-reference
interchangeable
8075Interchangeable
interchangeable cross-reference
interchangeable
GGG-P-781Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1821817?
1821817 is a ADAPTER,MECHANICAL TEST.
What parts can replace 1821817?
There are 16 known substitutes for 1821817: 807-1501 3-8IN, W022074B02TS/33311-30J/882057681, 803-2177525 and 13 more. Substitute compatibility should be verified for your specific system.
Is 1821817 still available?
1821817 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