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Technical Data Sheet
3685123 ✓ 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. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-470-5723, 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
3685123
NSN: 5330-01-470-5723
FSC: 5330
CAGE: 72582 — ROLLS-ROYCE SOLUTIONS AMERICA INC (USA)
SPECIFICATIONS
Part Number3685123
NSN5330-01-470-5723
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3685123 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 6
B107.5/B18.3.2Interchangeable
interchangeable cross-reference
interchangeable
SAM14EInterchangeable
interchangeable cross-reference
interchangeable
S 14 HBSInterchangeable
interchangeable cross-reference
interchangeable
4001-39710 ITEM 9Interchangeable
interchangeable cross-reference
interchangeable
39719Interchangeable
interchangeable cross-reference
interchangeable
4001-39710Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3685123?
3685123 is a GASKET.
What parts can replace 3685123?
There are 6 known substitutes for 3685123: B107.5/B18.3.2, SAM14E, S 14 HBS and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3685123?
3685123 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-470-5723. This indicates validated use in U.S. government and defense supply chains.
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