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Technical Data Sheet
D7307 ✓ 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 PACKING ASSEMBLY is a the manufacturer industrial component. Key specifications include height: 1.938 INCHES NOMINAL IN, material: COTTON AND RUBBER SYNTHETIC TOP RING, joint_type: SCARF-PERIPHERAL TOP RING, inside_diameter: 2.000 INCHES NOMINAL IN, outside_diameter: 2.750 INCHES NOMINAL IN, cross-sectional_shape_style: ANGLE BOTTOM RING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-447-3525, 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
D7307
NSN: 5330-00-447-3525
FSC: 5330
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
height1.938 INCHES NOMINAL IN
materialCOTTON AND RUBBER SYNTHETIC TOP RING
joint_typeSCARF-PERIPHERAL TOP RING
inside_diameter2.000 INCHES NOMINAL IN
outside_diameter2.750 INCHES NOMINAL IN
intermediate_ring_quantity8
cross-sectional_shape_styleANGLE BOTTOM RING
NSN5330-00-447-3525
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D7307 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
INTERMEDIATE RING QUANTITY: 8
JOINT TYPE: SCARF-PERIPHERAL BOTTOM RING
MATERIAL: COTTON AND RUBBER SYNTHETIC TOP RING
OUTSIDE DIAMETER: 2.750 INCHES NOMINAL IN
HEIGHT: 1.938 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
INTERMEDIATE RING QUANTITY8
JOINT TYPESCARF-PERIPHERAL BOTTOM RING
JOINT TYPESCARF-PERIPHERAL TOP RING
MATERIALCOTTON AND RUBBER SYNTHETIC TOP RING
OUTSIDE DIAMETER2.750 INCHES NOMINAL IN
JOINT TYPESCARF-PERIPHERAL INTERMEDIATE RING
MATERIALCOTTON AND RUBBER SYNTHETIC INTERMEDIATE RING
HEIGHT1.938 INCHES NOMINAL IN
MATERIALCOTTON OR RUBBER SYNTHETIC BOTTOM RING
CROSS-SECTIONAL SHAPE STYLEANGLE BOTTOM RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
7307Interchangeable
interchangeable cross-reference
interchangeable
3772878Interchangeable
interchangeable cross-reference
interchangeable
401387Interchangeable
interchangeable cross-reference
interchangeable
307MFQ6B7Interchangeable
interchangeable cross-reference
interchangeable
E0240Interchangeable
interchangeable cross-reference
interchangeable
307WDInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D7307?
D7307 is a PACKING ASSEMBLY.
What parts can replace D7307?
There are 19 known substitutes for D7307: 7307, 3772878, 401387 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D7307?
D7307 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-447-3525. This indicates validated use in U.S. government and defense supply chains.
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