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7527921 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7527921: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR OVERALL, hole_diameter: 0.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, hardness_rating: 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL, outside_diameter: 6.844 INCHES MINIMUM AND 6.906 INCHES MAXIMUM IN, style_designator: CIRCULAR WITH ONE PERIPHERAL FLAT, aperture_diameter: 3.519 INCHES MINIMUM AND 3.531 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-752-7921, 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
7527921
NSN: 5330-00-752-7921
FSC: 5330 — Packing and Gasket Materials
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR OVERALL
hole_diameter0.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
hardness_rating45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
outside_diameter6.844 INCHES MINIMUM AND 6.906 INCHES MAXIMUM IN
style_designatorCIRCULAR WITH ONE PERIPHERAL FLAT
aperture_diameter3.519 INCHES MINIMUM AND 3.531 INCHES MAXIMUM IN
bolt_hole_quantity3
bolt_circle_diameter4.438 INCHES NOMINAL IN
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
gasket_center_to_flat_distance2.938 INCHES NOMINAL IN
material_document_and_classification417 COMP SC515ABF1 MIL STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-752-7921
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7527921 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: 0.125 INCHES NOMINAL IN
•
GASKET CENTER TO FLAT DISTANCE: 2.938 INCHES NOMINAL IN
•
HARDNESS RATING: 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
•
STYLE DESIGNATOR: CIRCULAR WITH ONE PERIPHERAL FLAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: 417 COMP SC515ABF1 MIL STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 6.844 INCHES MINIMUM AND 6.906 INCHES MAXIMUM IN
•
APERTURE DIAMETER: 3.519 INCHES MINIMUM AND 3.531 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
GASKET CENTER TO FLAT DISTANCE2.938 INCHES NOMINAL IN
HARDNESS RATING45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
STYLE DESIGNATORCIRCULAR WITH ONE PERIPHERAL FLAT
MATERIAL DOCUMENT AND CLASSIFICATION417 COMP SC515ABF1 MIL STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER6.844 INCHES MINIMUM AND 6.906 INCHES MAXIMUM IN
APERTURE DIAMETER3.519 INCHES MINIMUM AND 3.531 INCHES MAXIMUM IN
BOLT HOLE QUANTITY3
BOLT CIRCLE DIAMETER4.438 INCHES NOMINAL 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7527921?
7527921 is a GASKET.
What is the NSN for 7527921?
7527921 is cataloged in the U.S. Government catalog under NSN 5330-00-752-7921. 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.