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528P215 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

528P215: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-320-4490, 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
528P215
NSN: 5331-00-320-4490
NIINs: 003204490, 011167416
FSC: 5331 — O-ring
CAGE: 81412 — TREADWELL CORPORATION (DELAWARE) DBA TREADWELL CORP (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
NSN5331-00-320-4490
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 528P215 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
•
TEMP RATING: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.853 INCHES MINIMUM AND 2.905 INCHES MAXIMUM IN
•
HARDNESS RATING: 80.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 2.724 INCHES MINIMUM AND 2.754 INCHES MAXIMUM IN
•
MATERIAL: RUBBER ETHYLENE-PROPYLENE CLASS EPM
TECHNICAL CHARACTERISTICS
TEMP RATING-70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.853 INCHES MINIMUM AND 2.905 INCHES MAXIMUM IN
HARDNESS RATING80.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER2.724 INCHES MINIMUM AND 2.754 INCHES MAXIMUM IN
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM
SUBSTITUTES & CROSS-REFERENCES 1
ARP568-039E515- 8Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 528P215?
528P215 is a O-RING.
What parts can replace 528P215?
There is 1 known substitute for 528P215: ARP568-039E515- 8. Substitute compatibility should be verified for your specific system.
What is the NSN for 528P215?
528P215 is cataloged in the U.S. Government catalog under NSN 5331-00-320-4490. 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.