PartsTable
Technical Data Sheet
D40391 ✓ 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: 1.250 INCHES NOMINAL IN, material: COTTON AND RUBBER SYNTHETIC INTERMEDIATE RING, joint_type: SCARF-PERIPHERAL BOTTOM RING, inside_diameter: 1.500 INCHES NOMINAL IN, outside_diameter: 2.125 INCHES NOMINAL IN, cross-sectional_shape_style: ANGLE BOTTOM RING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-447-3520, 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
D40391
NSN: 5330-00-447-3520
FSC: 5330
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
height1.250 INCHES NOMINAL IN
materialCOTTON AND RUBBER SYNTHETIC INTERMEDIATE RING
joint_typeSCARF-PERIPHERAL BOTTOM RING
inside_diameter1.500 INCHES NOMINAL IN
outside_diameter2.125 INCHES NOMINAL IN
intermediate_ring_quantity5
cross-sectional_shape_styleANGLE BOTTOM RING
NSN5330-00-447-3520
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D40391 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 SHAPE STYLE: ANGLE BOTTOM RING
HEIGHT: 1.250 INCHES NOMINAL IN
JOINT TYPE: SCARF-PERIPHERAL BOTTOM RING
INSIDE DIAMETER: 1.500 INCHES NOMINAL IN
MATERIAL: COTTON AND RUBBER SYNTHETIC INTERMEDIATE RING
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEANGLE BOTTOM RING
HEIGHT1.250 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEU INTERMEDIATE RING
JOINT TYPESCARF-PERIPHERAL BOTTOM RING
INSIDE DIAMETER1.500 INCHES NOMINAL IN
JOINT TYPESCARF-PERIPHERAL INTERMEDIATE RING
JOINT TYPESCARF-PERIPHERAL TOP RING
MATERIALCOTTON AND RUBBER SYNTHETIC INTERMEDIATE RING
MATERIALCOTTON OR RUBBER SYNTHETIC BOTTOM RING
MATERIALCOTTON AND RUBBER SYNTHETIC TOP RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
3208XIAInterchangeable
interchangeable cross-reference
interchangeable
903208Interchangeable
interchangeable cross-reference
interchangeable
30D86Interchangeable
interchangeable cross-reference
interchangeable
70-0050-1482-7Interchangeable
interchangeable cross-reference
interchangeable
62-4662-4829-1Interchangeable
interchangeable cross-reference
interchangeable
G205665-9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
Ready to buy D40391?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is D40391?
D40391 is a PACKING ASSEMBLY.
What parts can replace D40391?
There are 17 known substitutes for D40391: 3208XIA, 903208, 30D86 and 14 more. Substitute compatibility should be verified for your specific system.
Is D40391 still available?
D40391 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — D40391