PartsTable
Technical Data Sheet
4.0408 ✓ 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 4.0408 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-205-5571, 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
4.0408
NSN: 5340-01-205-5571
FSC: 5340
CAGE: 27315 — MORRIS MATERIAL HANDLING, INC. (USA)
SPECIFICATIONS
Part Number4.0408
NSN5340-01-205-5571
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4.0408 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
40734Interchangeable
interchangeable cross-reference
interchangeable
40408Interchangeable
interchangeable cross-reference
interchangeable
RT8100-126Interchangeable
interchangeable cross-reference
interchangeable
AN1-4-1701-184PC36Interchangeable
interchangeable cross-reference
interchangeable
65958Interchangeable
interchangeable cross-reference
interchangeable
2-52924-81Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4.0408?
4.0408 is a 4.0408.
What parts can replace 4.0408?
There are 19 known substitutes for 4.0408: 40734, 40408, RT8100-126 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4.0408?
4.0408 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-205-5571. This indicates validated use in U.S. government and defense supply chains.
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