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Technical Data Sheet
PartsTable / COMPONENT / 40407-2 ITEM 6
40407-2 ITEM 6 ✓ 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: GRAPHITE OVERALL, outside_diameter: 2.690 INCHES NOMINAL IN, special_features: ITEM IS MADE FROM 304 GRAFOIL, style_designator: CIRCULAR, aperture_diameter: 1.940 INCHES NOMINAL IN, end_item_identification: GATE VALVE 1.50IN IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-537-6646, 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
40407-2 ITEM 6
NSN: 5330-01-537-6646
FSC: 5330
CAGE: 63220 — FLOWSERVE INC (USA)
SPECIFICATIONS
materialGRAPHITE OVERALL
outside_diameter2.690 INCHES NOMINAL IN
special_featuresITEM IS MADE FROM 304 GRAFOIL
style_designatorCIRCULAR
aperture_diameter1.940 INCHES NOMINAL IN
end_item_identificationGATE VALVE 1.50IN IN
cross-sectional_thickness1.250 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-01-537-6646
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 40407-2 ITEM 6 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: 1.250 INCHES NOMINAL IN
•
APERTURE DIAMETER: 1.940 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 2.690 INCHES NOMINAL IN
•
MATERIAL: GRAPHITE OVERALL
•
STYLE DESIGNATOR: CIRCULAR
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL THICKNESS1.250 INCHES NOMINAL IN
END ITEM IDENTIFICATIONGATE VALVE 1.50IN IN
APERTURE DIAMETER1.940 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER2.690 INCHES NOMINAL IN
SPECIAL FEATURESITEM IS MADE FROM 304 GRAFOIL
MATERIALGRAPHITE OVERALL
STYLE DESIGNATORCIRCULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
1620AC1-033-3Interchangeable
interchangeable cross-reference
interchangeable
5502-5Interchangeable
interchangeable cross-reference
interchangeable
48F6-4Interchangeable
interchangeable cross-reference
interchangeable
SAE-J513Interchangeable
interchangeable cross-reference
interchangeable
8F-6-4Interchangeable
interchangeable cross-reference
interchangeable
ST41D25-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40407-2 ITEM 6?
40407-2 ITEM 6 is a GASKET.
What parts can replace 40407-2 ITEM 6?
There are 18 known substitutes for 40407-2 ITEM 6: 1620AC1-033-3, 5502-5, 48F6-4 and 15 more. Substitute compatibility should be verified for your specific system.
Is 40407-2 ITEM 6 still available?
40407-2 ITEM 6 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