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8426545 — RETAINER,SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8426545: RETAINER,SEAL.

The RETAINER,SEAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_height: 0.500 INCHES NOMINAL IN, flange_thickness: 0.063 INCHES NOMINAL IN, aperture_diameter: 2.125 INCHES NOMINAL IN, bolt_hole_diameter: 0.188 INCHES NOMINAL IN, bolt_circle_diameter: 3.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-587-7010, 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
8426545
NSN: 5330-00-587-7010
FSC: 5330 — Packing and Gasket Materials
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_height0.500 INCHES NOMINAL IN
flange_thickness0.063 INCHES NOMINAL IN
aperture_diameter2.125 INCHES NOMINAL IN
bolt_hole_diameter0.188 INCHES NOMINAL IN
bolt_hole_quantity4
bolt_circle_diameter3.375 INCHES NOMINAL IN
mounting_flange_diameter4.000 INCHES NOMINAL IN
NSN5330-00-587-7010
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8426545 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
•
FLANGE THICKNESS: 0.063 INCHES NOMINAL IN
•
BOLT HOLE DIAMETER: 0.188 INCHES NOMINAL IN
•
APERTURE DIAMETER: 2.125 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
•
BOLT CIRCLE DIAMETER: 3.375 INCHES NOMINAL IN
•
MOUNTING FLANGE DIAMETER: 4.000 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.500 INCHES NOMINAL IN
FLANGE THICKNESS0.063 INCHES NOMINAL IN
BOLT HOLE DIAMETER0.188 INCHES NOMINAL IN
APERTURE DIAMETER2.125 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
BOLT CIRCLE DIAMETER3.375 INCHES NOMINAL IN
MOUNTING FLANGE DIAMETER4.000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
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
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 8426545?
8426545 is a RETAINER,SEAL.
What is the NSN for 8426545?
8426545 is cataloged in the U.S. Government catalog under NSN 5330-00-587-7010. 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.