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7418409 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7418409: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.266 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN, housing_bore_diameter: 0.907 INCHES MINIMUM AND 0.911 INCHES MAXIMUM IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-291-8953, 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
7418409
NSN: 5330-00-291-8953
FSC: 5330 — Packing and Gasket Materials
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.266 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
housing_bore_diameter0.907 INCHES MINIMUM AND 0.911 INCHES MAXIMUM IN
sealing_element_styleANGULAR
accommodated_shaft_diameter0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
NSN5330-00-291-8953
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7418409 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
•
SEAL WIDTH: 0.266 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 0.907 INCHES MINIMUM AND 0.911 INCHES MAXIMUM IN
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
•
MATERIAL: STEEL CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.266 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER0.907 INCHES MINIMUM AND 0.911 INCHES MAXIMUM IN
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 2
121687Reference document
Same NSN cross-reference
Reference document — Secondary reference
K1552Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7418409?
7418409 is a SEAL,PLAIN ENCASED.
What parts can replace 7418409?
There are 2 known substitutes for 7418409: 121687, K1552. Substitute compatibility should be verified for your specific system.
What is the NSN for 7418409?
7418409 is cataloged in the U.S. Government catalog under NSN 5330-00-291-8953. This indicates validated use in U.S. government and defense supply chains.
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