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398667 ✓ 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,DAMPING 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 5330-01-149-0765, 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
398667
NSN: 5330-01-149-0765
FSC: 5330
CAGE: 80045 — L3HARRIS CINCINNATI ELECTRONICS CORPORATION (USA)
SPECIFICATIONS
Part Number398667
NSN5330-01-149-0765
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 398667 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: RUBBER,SILICONE CL 2B GR 40 COLOR NATURAL 0.045 IN. THK ZZ-R-765; 6.555 IN. MIN 6.575 IN. MAX OD; 5.285 IN. MIN. 5.305 IN. MAX ID; 0.136 IN. DIA 4 HOLES EQUALLY SPACED; 28 SLOTS EQUALLY SPACED 0.380 IN. LONG 0.130 IN. WIDE IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONRUBBER,SILICONE CL 2B GR 40 COLOR NATURAL 0.045 IN. THK ZZ-R-765; 6.555 IN. MIN 6.575 IN. MAX OD; 5.285 IN. MIN. 5.305 IN. MAX ID; 0.136 IN. DIA 4 HOLES EQUALLY SPACED; 28 SLOTS EQUALLY SPACED 0.380 IN. LONG 0.130 IN. WIDE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
5052Interchangeable
interchangeable cross-reference
interchangeable
47572Interchangeable
interchangeable cross-reference
interchangeable
2503Interchangeable
interchangeable cross-reference
interchangeable
DWG5120-00-288-7784Interchangeable
interchangeable cross-reference
interchangeable
003-0004-00Interchangeable
interchangeable cross-reference
interchangeable
102-177-5PC2042Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 398667?
398667 is a GASKET,DAMPING.
What parts can replace 398667?
There are 15 known substitutes for 398667: 5052, 47572, 2503 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 398667?
398667 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-149-0765. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026