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9019850 — SEAL,NONMETALLIC ROUND SECTION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9019850: SEAL,NONMETALLIC ROUND SECTION.

The SEAL,NONMETALLIC ROUND SECTION is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q OVERALL, construction: ONE-PIECE, style_designator: CIRCULAR, aperture_diameter: 2.975 INCHES NOMINAL IN, cross-sectional_shape_style: CIRCULAR, cross_section_outside_diameter: 0.215 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-775-5876, 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
9019850
NSN: 5330-00-775-5876
FSC: 5330 — Packing and Gasket Materials
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q OVERALL
constructionONE-PIECE
style_designatorCIRCULAR
aperture_diameter2.975 INCHES NOMINAL IN
cross-sectional_shape_styleCIRCULAR
cross_section_outside_diameter0.215 INCHES NOMINAL IN
NSN5330-00-775-5876
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9019850 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
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: CIRCULAR
•
APERTURE DIAMETER: 2.975 INCHES NOMINAL IN
•
CROSS SECTION OUTSIDE DIAMETER: 0.215 INCHES NOMINAL IN
•
MATERIAL: RUBBER SILICONE CLASS Q OVERALL
•
CONSTRUCTION: ONE-PIECE
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLECIRCULAR
APERTURE DIAMETER2.975 INCHES NOMINAL IN
CROSS SECTION OUTSIDE DIAMETER0.215 INCHES NOMINAL IN
MATERIALRUBBER SILICONE CLASS Q OVERALL
CONSTRUCTIONONE-PIECE
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9019850?
9019850 is a SEAL,NONMETALLIC ROUND SECTION.
What is the NSN for 9019850?
9019850 is cataloged in the U.S. Government catalog under NSN 5330-00-775-5876. 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.