PartsTable
Technical Data Sheet
390978 ✓ 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 390978 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 5330-00-732-9612, 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
390978
NSN: 5330-00-732-9612
FSC: 5330
CAGE: 65282 — WHITE MOTOR CORP (USA)
SPECIFICATIONS
Part Number390978
NSN5330-00-732-9612
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 390978 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 18
M1293Interchangeable
interchangeable cross-reference
interchangeable
57A10C63Interchangeable
interchangeable cross-reference
interchangeable
7033Interchangeable
interchangeable cross-reference
interchangeable
202KLDInterchangeable
interchangeable cross-reference
interchangeable
SA2421PC5Interchangeable
interchangeable cross-reference
interchangeable
GE-47-UInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 390978?
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 390978?
390978 is a 390978.
What parts can replace 390978?
There are 18 known substitutes for 390978: M1293, 57A10C63, 7033 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 390978?
390978 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-732-9612. This indicates validated use in U.S. government and defense supply chains.
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 — 390978