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8406-0-250 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8406-0-250: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, hardness_rating: 75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL, peripheral_diameter: 2.875 INCHES NOMINAL IN, center_hole_diameter: 2.500 INCHES NOMINAL IN, cross-sectional_height: 0.188 INCHES NOMINAL IN, material_document_and_classification: 4180 FSCM 92003 MFR REF SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-092-0251, 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
8406-0-250
NSN: 5330-01-092-0251
FSC: 5330 — Packing and Gasket Materials
CAGE: F1705 — CHEMETALL S A S DIV BASF G-ECT (FRA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
hardness_rating75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL
peripheral_diameter2.875 INCHES NOMINAL IN
center_hole_diameter2.500 INCHES NOMINAL IN
cross-sectional_height0.188 INCHES NOMINAL IN
cross-sectional_shape_styleU
material_document_and_classification4180 FSCM 92003 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-092-0251
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8406-0-250 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 HEIGHT: 0.188 INCHES NOMINAL IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 4180 FSCM 92003 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: U
•
PERIPHERAL DIAMETER: 2.875 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 2.500 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.188 INCHES NOMINAL IN
HARDNESS RATING75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION4180 FSCM 92003 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEU
PERIPHERAL DIAMETER2.875 INCHES NOMINAL IN
CENTER HOLE DIAMETER2.500 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
8406-0250-4180Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
049-36620Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
36620Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 8406-0-250?
8406-0-250 is a PACKING,PREFORMED.
What parts can replace 8406-0-250?
There are 3 known substitutes for 8406-0-250: 8406-0250-4180, 049-36620, 36620. Substitute compatibility should be verified for your specific system.
What is the NSN for 8406-0-250?
8406-0-250 is cataloged in the U.S. Government catalog under NSN 5330-01-092-0251. This indicates validated use in U.S. government and defense supply chains.
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