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8515217 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8515217: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE CLASS EPM OR RUBBER BUTADIENE-STYRENE CLASS SBR OR RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR, center_hole_diameter: 54.375 INCHES MINIMUM AND 54.875 INCHES MAXIMUM IN, cross-sectional_height: 0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-564-9923, 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
8515217
NSN: 5331-00-564-9923
FSC: 5331 — O-ring
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM OR RUBBER BUTADIENE-STYRENE CLASS SBR OR RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
center_hole_diameter54.375 INCHES MINIMUM AND 54.875 INCHES MAXIMUM IN
cross-sectional_height0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
NSN5331-00-564-9923
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8515217 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: 0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 54.375 INCHES MINIMUM AND 54.875 INCHES MAXIMUM IN
•
MATERIAL: RUBBER ETHYLENE-PROPYLENE CLASS EPM OR RUBBER BUTADIENE-STYRENE CLASS SBR OR RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
CENTER HOLE DIAMETER54.375 INCHES MINIMUM AND 54.875 INCHES MAXIMUM IN
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM OR RUBBER BUTADIENE-STYRENE CLASS SBR OR RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8515217?
8515217 is a O-RING.
What is the NSN for 8515217?
8515217 is cataloged in the U.S. Government catalog under NSN 5331-00-564-9923. This indicates validated use in U.S. government and defense supply chains.
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