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4980256 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4980256: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: CORK OVERALL, outside_diameter: 1.500 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.250 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 U.S.

Government catalog under NSN 5330-00-171-3676, 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
4980256
NSN: 5330-00-171-3676
FSC: 5330 — Packing and Gasket Materials
CAGE: 0AHU0 — KALMAR AC INC (USA)
SPECIFICATIONS
materialCORK OVERALL
outside_diameter1.500 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.250 INCHES NOMINAL IN
cross-sectional_thickness0.062 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-171-3676
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4980256 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: 0.062 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 1.500 INCHES NOMINAL IN
•
APERTURE DIAMETER: 1.250 INCHES NOMINAL IN
•
MATERIAL: CORK OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER1.500 INCHES NOMINAL IN
APERTURE DIAMETER1.250 INCHES NOMINAL IN
MATERIALCORK OVERALL
SUBSTITUTES & CROSS-REFERENCES 4
692190Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
109210Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
M68477Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
68477Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4980256?
4980256 is a GASKET.
What parts can replace 4980256?
There are 4 known substitutes for 4980256: 692190, 109210, M68477 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4980256?
4980256 is cataloged in the U.S. Government catalog under NSN 5330-00-171-3676. This indicates validated use in U.S. government and defense supply chains.
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