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Technical Data Sheet
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H260B401 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

H260B401: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include overall_width: 12.906 INCHES NOMINAL IN, overall_length: 14.094 INCHES NOMINAL IN, cross-sectional_thickness: 0.047 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-509-3140, 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
H260B401
NSN: 5330-00-509-3140
FSC: 5330 — Packing and Gasket Materials
CAGE: 63728 — SEALCRAFT CORPORATION (USA)
SPECIFICATIONS
overall_width12.906 INCHES NOMINAL IN
overall_length14.094 INCHES NOMINAL IN
cross-sectional_thickness0.047 INCHES NOMINAL IN
NSN5330-00-509-3140
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H260B401 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: 0.047 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.047 INCHES NOMINAL IN
OVERALL LENGTH14.094 INCHES NOMINAL IN
OVERALL WIDTH12.906 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
28557Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H260B401?
H260B401 is a GASKET.
What parts can replace H260B401?
There is 1 known substitute for H260B401: 28557. Substitute compatibility should be verified for your specific system.
What is the NSN for H260B401?
H260B401 is cataloged in the U.S. Government catalog under NSN 5330-00-509-3140. This indicates validated use in U.S. government and defense supply chains.
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