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Technical Data Sheet
PartsTable / COMPONENT / 10-40450-18
10-40450-18 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The GASKET is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE, hole_diameter: 0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 1.359 INCHES MINIMUM AND 1.391 INCHES MAXIMUM IN, overall_length: 1.359 INCHES MINIMUM AND 1.391 INCHES MAXIMUM IN, hardness_rating: 75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL, style_designator: NON-CIRCULAR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-290-9891, 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
10-40450-18
NSN: 5330-00-290-9891
FSC: 5330
CAGE: D9448 — RHEINMETALL LANDSYSTEME GMBH (DEU)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE
hole_diameter0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_width1.359 INCHES MINIMUM AND 1.391 INCHES MAXIMUM IN
overall_length1.359 INCHES MINIMUM AND 1.391 INCHES MAXIMUM IN
hardness_rating75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL
style_designatorNON-CIRCULAR
aperture_diameter1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM IN
bolt_hole_quantity4
center_hole_diameter0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN
cross-sectional_height0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
cross-sectional_thickness0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-290-9891
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 10-40450-18 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-J-2829,TY 1,CL 1 MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH: 1.062 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
HARDNESS RATING: 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM OVERALL
•
OUTSIDE CORNER RADIUS: 0.156 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: CLOTH AND SYNTHETIC RUBBER, NONMETALLIC MATERIAL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-J-2829,TY 1,CL 1 MIL SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
OVERALL LENGTH1.375 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH1.062 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
HARDNESS RATING60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM OVERALL
OUTSIDE CORNER RADIUS0.156 INCHES NOMINAL IN
OVERALL WIDTH1.375 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLECLOTH AND SYNTHETIC RUBBER, NONMETALLIC MATERIAL
MATERIALCOTTON AND RUBBER CHLOROPRENE CLASS CR AND ADHESIVE AND COBALT ALLOY OVERALL
APERTURE DIAMETER1.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
16381Interchangeable
interchangeable cross-reference
interchangeable
4059276-8Interchangeable
interchangeable cross-reference
interchangeable
DN16381Interchangeable
interchangeable cross-reference
interchangeable
73834Interchangeable
interchangeable cross-reference
interchangeable
10-40450-18Interchangeable
interchangeable cross-reference
interchangeable
8014596Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10-40450-18?
10-40450-18 is a GASKET.
What parts can replace 10-40450-18?
There are 19 known substitutes for 10-40450-18: 16381, 4059276-8, DN16381 and 16 more. Substitute compatibility should be verified for your specific system.
Is 10-40450-18 still available?
10-40450-18 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026