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PartsTable / COMPONENT / T540-0025-025-Q034
T540-0025-025-Q034 ✓ 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 AND PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, outside_diameter: 0.375 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 0.250 INCHES NOMINAL IN, cross-sectional_thickness: 0.109 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-270-7752, 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
T540-0025-025-Q034
NSN: 5330-00-270-7752
FSC: 5330
CAGE: 71724 — JOHN CRANE, INC (USA)
SPECIFICATIONS
materialGRAPHITE AND PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
outside_diameter0.375 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter0.250 INCHES NOMINAL IN
cross-sectional_thickness0.109 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-270-7752
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: T540-0025-025-Q034 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
•
APERTURE DIAMETER: 0.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL THICKNESS: 0.109 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
MATERIAL: GRAPHITE AND PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
TECHNICAL CHARACTERISTICS (FLIS)
APERTURE DIAMETER0.250 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL THICKNESS0.109 INCHES NOMINAL IN
OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
MATERIALGRAPHITE AND PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
9074558-3Interchangeable
interchangeable cross-reference
interchangeable
20007Interchangeable
interchangeable cross-reference
interchangeable
SCD10571-20007Interchangeable
interchangeable cross-reference
interchangeable
1KK488Interchangeable
interchangeable cross-reference
interchangeable
15956EInterchangeable
interchangeable cross-reference
interchangeable
17183AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T540-0025-025-Q034?
T540-0025-025-Q034 is a GASKET.
What parts can replace T540-0025-025-Q034?
There are 17 known substitutes for T540-0025-025-Q034: 9074558-3, 20007, SCD10571-20007 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T540-0025-025-Q034?
T540-0025-025-Q034 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-270-7752. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026