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8534455 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8534455: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, center_hole_diameter: 18.760 INCHES MINIMUM AND 18.880 INCHES MAXIMUM IN, cross-sectional_height: 0.202 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-917-2270, 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
8534455
NSN: 5331-00-917-2270
FSC: 5331 — O-ring
CAGE: 4T674 — GENERAL ELECTRIC CO APPARATUS AND ENGINEERING SERVICE ORGANIZATION DIV (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
center_hole_diameter18.760 INCHES MINIMUM AND 18.880 INCHES MAXIMUM IN
cross-sectional_height0.202 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
NSN5331-00-917-2270
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8534455 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: 0.202 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 18.760 INCHES MINIMUM AND 18.880 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.202 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
CENTER HOLE DIAMETER18.760 INCHES MINIMUM AND 18.880 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
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
Shelf-life managedAcquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8534455?
8534455 is a O-RING.
What is the NSN for 8534455?
8534455 is cataloged in the U.S. Government catalog under NSN 5331-00-917-2270. 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.