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Technical Data Sheet
PartsTable / COMPONENT / 4980262
4980262 ✓ 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: CELLULOSE OVERALL, outside_diameter: 0.433 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 0.318 INCHES NOMINAL IN, cross-sectional_thickness: 0.062 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-221-4144, 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
4980262
NSN: 5330-00-221-4144
FSC: 5330
CAGE: 0AHU0 — KALMAR AC INC (USA)
SPECIFICATIONS
materialCELLULOSE OVERALL
outside_diameter0.433 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter0.318 INCHES NOMINAL IN
cross-sectional_thickness0.062 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-221-4144
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4980262 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
•
OUTSIDE DIAMETER: 0.433 INCHES NOMINAL IN
•
APERTURE DIAMETER: 0.318 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL: CELLULOSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
CROSS-SECTIONAL THICKNESS: 0.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.433 INCHES NOMINAL IN
APERTURE DIAMETER0.318 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIALCELLULOSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
M25988/1-381Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-25988/1Interchangeable
interchangeable cross-reference
interchangeable
68-667Interchangeable
interchangeable cross-reference
interchangeable
AK6 34Interchangeable
interchangeable cross-reference
interchangeable
4980261Interchangeable
Same NIIN cross-reference
interchangeable
B68667Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4980262?
4980262 is a GASKET.
What parts can replace 4980262?
There are 6 known substitutes for 4980262: M25988/1-381, MIL-DTL-25988/1, 68-667 and 3 more. Substitute compatibility should be verified for your specific system.
Is 4980262 still available?
4980262 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026