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T7391 ✓ 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: LEATHER CATTLEHIDE OVERALL, outside_diameter: 1.625 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.000 INCHES NOMINAL IN, cross-sectional_thickness: 0.031 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 5330-00-244-2408, 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
T7391
NSN: 5330-00-244-2408
FSC: 5330
CAGE: 14180 — LULL CORP (USA)
SPECIFICATIONS
materialLEATHER CATTLEHIDE OVERALL
outside_diameter1.625 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.000 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationKK-L-181 GR B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-244-2408
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: T7391 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
•
STYLE DESIGNATOR: CIRCULAR
•
OUTSIDE DIAMETER: 1.625 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: KK-L-181 GR B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: LEATHER CATTLEHIDE OVERALL
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 1.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORCIRCULAR
OUTSIDE DIAMETER1.625 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONKK-L-181 GR B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALLEATHER CATTLEHIDE OVERALL
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
APERTURE DIAMETER1.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
GGG-D-296Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-296 TY3SEBInterchangeable
interchangeable cross-reference
interchangeable
C65613Interchangeable
interchangeable cross-reference
interchangeable
24-139Interchangeable
interchangeable cross-reference
interchangeable
PJ6S5Interchangeable
interchangeable cross-reference
interchangeable
13534Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T7391?
T7391 is a GASKET.
What parts can replace T7391?
There are 8 known substitutes for T7391: GGG-D-296, GGG-D-296 TY3SEB, C65613 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T7391?
T7391 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-244-2408. 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