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Technical Data Sheet
PartsTable / COMPONENT / 265-948255
265-948255 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The GASKET is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, hole_diameter: 0.218 INCHES MINIMUM AND 0.222 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 3.373 INCHES NOMINAL IN, aperture_width: 2.249 INCHES NOMINAL IN, overall_length: 5.312 INCHES NOMINAL IN, aperture_length: 4.188 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-779-6884, 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
265-948255
NSN: 5330-00-779-6884
FSC: 5330
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OVERALL
hole_diameter0.218 INCHES MINIMUM AND 0.222 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_width3.373 INCHES NOMINAL IN
aperture_width2.249 INCHES NOMINAL IN
overall_length5.312 INCHES NOMINAL IN
aperture_length4.188 INCHES NOMINAL IN
surface_treatmentANODIZE OVERALL
gage_ring_thickness0.080 INCHES NOMINAL IN
inside_corner_radius1.031 INCHES NOMINAL IN
bearing_surface_width0.562 INCHES NOMINAL IN
outside_corner_radius1.593 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL AND SYNTHETIC RUBBER
NSN5330-00-779-6884
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 265-948255 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
•
GAGE RING THICKNESS: 0.080 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-327 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HOLE DIAMETER: 0.218 INCHES MINIMUM AND 0.222 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
•
CROSS-SECTIONAL SHAPE STYLE: METAL AND SYNTHETIC RUBBER
•
BEARING SURFACE WIDTH: 0.562 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 1.031 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
APERTURE LENGTH: 4.188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
GAGE RING THICKNESS0.080 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-327 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER0.218 INCHES MINIMUM AND 0.222 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
CROSS-SECTIONAL SHAPE STYLEMETAL AND SYNTHETIC RUBBER
BEARING SURFACE WIDTH0.562 INCHES NOMINAL IN
INSIDE CORNER RADIUS1.031 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
APERTURE LENGTH4.188 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 6061 OVERALL
APERTURE WIDTH2.249 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
4975Interchangeable
interchangeable cross-reference
interchangeable
4285-501Interchangeable
interchangeable cross-reference
interchangeable
85604Interchangeable
interchangeable cross-reference
interchangeable
12392Interchangeable
interchangeable cross-reference
interchangeable
7MInterchangeable
interchangeable cross-reference
interchangeable
5330PL1757273Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 265-948255?
265-948255 is a GASKET.
What parts can replace 265-948255?
There are 13 known substitutes for 265-948255: 4975, 4285-501, 85604 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 265-948255?
265-948255 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-779-6884. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026