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2527508 — RETAINER,SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2527508: RETAINER,SEAL.

The RETAINER,SEAL is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, construction: ONE-PIECE, overall_height: 1.312 INCHES NOMINAL IN, style_designator: FLANGED, aperture_diameter: 2.500 INCHES NOMINAL IN, body_outside_diameter: 3.148 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-506-9730, 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
2527508
NSN: 5330-01-506-9730
FSC: 5330 — Packing and Gasket Materials
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
constructionONE-PIECE
overall_height1.312 INCHES NOMINAL IN
style_designatorFLANGED
aperture_diameter2.500 INCHES NOMINAL IN
body_outside_diameter3.148 INCHES NOMINAL IN
mounting_flange_diameter4.375 INCHES NOMINAL IN
NSN5330-01-506-9730
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2527508 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
•
BODY OUTSIDE DIAMETER: 3.148 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLANGED
•
APERTURE DIAMETER: 2.500 INCHES NOMINAL IN
•
MOUNTING FLANGE DIAMETER: 4.375 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY 2024 OVERALL
•
CONSTRUCTION: ONE-PIECE
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.312 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER3.148 INCHES NOMINAL IN
STYLE DESIGNATORFLANGED
APERTURE DIAMETER2.500 INCHES NOMINAL IN
MOUNTING FLANGE DIAMETER4.375 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 2024 OVERALL
CONSTRUCTIONONE-PIECE
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2527508?
2527508 is a RETAINER,SEAL.
What is the NSN for 2527508?
2527508 is cataloged in the U.S. Government catalog under NSN 5330-01-506-9730. 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.