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7-311527053 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7-311527053: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 OVERALL, outside_diameter: 6.465 INCHES MINIMUM AND 6.470 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 5.785 INCHES NOMINAL IN, cross-sectional_thickness: 0.020 INCHES NOMINAL IN, cross-sectional_shape_style: RECTANGULAR METAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-320-3977, 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
7-311527053
NSN: 5330-01-320-3977
FSC: 5330 — Packing and Gasket Materials
CAGE: 8V613 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 301 OVERALL
outside_diameter6.465 INCHES MINIMUM AND 6.470 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter5.785 INCHES NOMINAL IN
cross-sectional_thickness0.020 INCHES NOMINAL IN
cross-sectional_shape_styleRECTANGULAR METAL
NSN5330-01-320-3977
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7-311527053 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: 0.020 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR METAL
•
OUTSIDE DIAMETER: 6.465 INCHES MINIMUM AND 6.470 INCHES MAXIMUM IN
•
APERTURE DIAMETER: 5.785 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 301 OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.020 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLERECTANGULAR METAL
OUTSIDE DIAMETER6.465 INCHES MINIMUM AND 6.470 INCHES MAXIMUM IN
APERTURE DIAMETER5.785 INCHES NOMINAL IN
MATERIALSTEEL COMP 301 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7-311527053?
7-311527053 is a GASKET.
What is the NSN for 7-311527053?
7-311527053 is cataloged in the U.S. Government catalog under NSN 5330-01-320-3977. 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.