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Technical Data Sheet
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6303-1.25 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6303-1.25: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM OVERALL, aperture_diameter: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-244-8978, 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
6303-1.25
NSN: 5330-01-244-8978
NIINs: 012448978, 012915644
FSC: 5330 — Packing and Gasket Materials
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM OVERALL
aperture_diameter1.250 INCHES NOMINAL IN
NSN5330-01-244-8978
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6303-1.25 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
•
APERTURE DIAMETER: 1.250 INCHES NOMINAL IN
•
MATERIAL: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM OVERALL
TECHNICAL CHARACTERISTICS
APERTURE DIAMETER1.250 INCHES NOMINAL IN
MATERIALRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6303-1.25?
6303-1.25 is a GASKET.
What is the NSN for 6303-1.25?
6303-1.25 is cataloged in the U.S. Government catalog under NSN 5330-01-244-8978. This indicates validated use in U.S. government and defense supply chains.
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