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2527553 — RETAINER,SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2527553: RETAINER,SEAL.

The RETAINER,SEAL is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, construction: ONE-PIECE, overall_height: 0.812 INCHES NOMINAL IN, style_designator: FLANGED, aperture_diameter: 2.517 INCHES NOMINAL IN, body_outside_diameter: 3.499 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-506-9729, 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
2527553
NSN: 5330-01-506-9729
FSC: 5330 — Packing and Gasket Materials
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OVERALL
constructionONE-PIECE
overall_height0.812 INCHES NOMINAL IN
style_designatorFLANGED
aperture_diameter2.517 INCHES NOMINAL IN
body_outside_diameter3.499 INCHES NOMINAL IN
mounting_flange_diameter4.500 INCHES NOMINAL IN
NSN5330-01-506-9729
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2527553 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: 3.499 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLANGED
•
APERTURE DIAMETER: 2.517 INCHES NOMINAL IN
•
MOUNTING FLANGE DIAMETER: 4.500 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY 6061 OVERALL
•
CONSTRUCTION: ONE-PIECE
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.812 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER3.499 INCHES NOMINAL IN
STYLE DESIGNATORFLANGED
APERTURE DIAMETER2.517 INCHES NOMINAL IN
MOUNTING FLANGE DIAMETER4.500 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 6061 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 2527553?
2527553 is a RETAINER,SEAL.
What is the NSN for 2527553?
2527553 is cataloged in the U.S. Government catalog under NSN 5330-01-506-9729. 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.