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20M-1509 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

20M-1509: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include hole_diameter: 0.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 8.750 INCHES NOMINAL IN, aperture_diameter: 6.438 INCHES NOMINAL IN, bolt_circle_diameter: 7.500 INCHES NOMINAL IN, cross-sectional_thickness: 0.063 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-137-9597, 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
20M-1509
NSN: 5330-01-137-9597
FSC: 5330 — Packing and Gasket Materials
CAGE: 01551 — EDRO CORPORATION, THE DBA EDRO CORP (USA)
SPECIFICATIONS
hole_diameter0.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter8.750 INCHES NOMINAL IN
aperture_diameter6.438 INCHES NOMINAL IN
bolt_hole_quantity4
bolt_circle_diameter7.500 INCHES NOMINAL IN
cross-sectional_thickness0.063 INCHES NOMINAL IN
NSN5330-01-137-9597
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 20M-1509 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 THICKNESS: 0.063 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 8.750 INCHES NOMINAL IN
•
APERTURE DIAMETER: 6.438 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
•
BOLT CIRCLE DIAMETER: 7.500 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.063 INCHES NOMINAL IN
OUTSIDE DIAMETER8.750 INCHES NOMINAL IN
APERTURE DIAMETER6.438 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
BOLT CIRCLE DIAMETER7.500 INCHES NOMINAL IN
HOLE DIAMETER0.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20M-1509?
20M-1509 is a GASKET.
What is the NSN for 20M-1509?
20M-1509 is cataloged in the U.S. Government catalog under NSN 5330-01-137-9597. 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.