PartsTable
Technical Data Sheet
Download PDF

09-518-30 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

09-518-30: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER, outside_diameter: 3.5 MILLIMETERS NOMINAL MM, special_features: FITS BLANKING PLUG(33-486-01)FOR DST800 VALVE, cross-sectional_height: 0.45 MILLIMETERS NOMINAL MM, end_item_identification: DST800 VALVE, material_document_and_classification: MANUFACTURE REFERENCE MFR REF SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-700-8129, 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
09-518-30
NSN: 5331-01-700-8129
FSC: 5331 — O-ring
CAGE: 0TME2 — AIRMAR TECHNOLOGY CORP DBA AIRMAR TECHNOLOGY CORP (USA)
SPECIFICATIONS
materialRUBBER
outside_diameter3.5 MILLIMETERS NOMINAL MM
special_featuresFITS BLANKING PLUG(33-486-01)FOR DST800 VALVE
cross-sectional_height0.45 MILLIMETERS NOMINAL MM
end_item_identificationDST800 VALVE
material_document_and_classificationMANUFACTURE REFERENCE MFR REF SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyO-RING
NSN5331-01-700-8129
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 09-518-30 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: 0.45 MILLIMETERS NOMINAL MM
•
OUTSIDE DIAMETER: 3.5 MILLIMETERS NOMINAL MM
•
MATERIAL DOCUMENT AND CLASSIFICATION: MANUFACTURE REFERENCE MFR REF SINGLE MATERIAL RESPONSE
•
COLOR: YELLOW
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.45 MILLIMETERS NOMINAL MM
OUTSIDE DIAMETER3.5 MILLIMETERS NOMINAL MM
MATERIAL DOCUMENT AND CLASSIFICATIONMANUFACTURE REFERENCE MFR REF SINGLE MATERIAL RESPONSE
COLORYELLOW
SPECIAL FEATURESFITS BLANKING PLUG(33-486-01)FOR DST800 VALVE
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING
END ITEM IDENTIFICATIONDST800 VALVE
MATERIALRUBBER
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
Ready to buy 09-518-30?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 09-518-30?
09-518-30 is a O-RING.
What is the NSN for 09-518-30?
09-518-30 is cataloged in the U.S. Government catalog under NSN 5331-01-700-8129. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 09-518-30

✓ 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.