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SR18-20B9 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SR18-20B9: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, center_hole_diameter: 0.715 INCHES NOMINAL IN, cross-sectional_height: 0.067 INCHES NOMINAL IN, end_item_identification: ACFT MODEL HH65A. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-310-5773, 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
SR18-20B9
NSN: 5331-01-310-5773
FSC: 5331 — O-ring
CAGE: 60042 — ZODIAC OF NORTH AMERICA, INC. DBA ZODIAC OF NORTH AMERICA INC DIV MILPRO (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
center_hole_diameter0.715 INCHES NOMINAL IN
cross-sectional_height0.067 INCHES NOMINAL IN
end_item_identificationACFT MODEL HH65A
NSN5331-01-310-5773
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SR18-20B9 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 HEIGHT: 0.067 INCHES NOMINAL IN
•
COLOR: BLACK
•
CENTER HOLE DIAMETER: 0.715 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES NOMINAL IN
COLORBLACK
CENTER HOLE DIAMETER0.715 INCHES NOMINAL IN
END ITEM IDENTIFICATIONACFT MODEL HH65A
MATERIALRUBBER SYNTHETIC
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
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 SR18-20B9?
SR18-20B9 is a O-RING.
What is the NSN for SR18-20B9?
SR18-20B9 is cataloged in the U.S. Government catalog under NSN 5331-01-310-5773. This indicates validated use in U.S. government and defense supply chains.
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