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PartsTable / O-RING / 1662-D PIECE 34
1662-D PIECE 34 ✓ 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 O-RING 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 5331-01-461-1311, 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
1662-D PIECE 34
NSN: 5331-01-461-1311
FSC: 5331 — O-RING
CAGE: 75545 — LAWLER MANUFACTURING COMPANY, INC. (USA)
SPECIFICATIONS
Part Number1662-D PIECE 34
NSN5331-01-461-1311
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1662-D PIECE 34 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 11
4628Interchangeable
interchangeable cross-reference
interchangeable
HHB4628Interchangeable
interchangeable cross-reference
interchangeable
4357Interchangeable
interchangeable cross-reference
interchangeable
1291749Interchangeable
interchangeable cross-reference
interchangeable
TEGADERM TRANSPARENT DRESSINGInterchangeable
interchangeable cross-reference
interchangeable
1625Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1662-D PIECE 34?
1662-D PIECE 34 is a O-RING.
What parts can replace 1662-D PIECE 34?
There are 11 known substitutes for 1662-D PIECE 34: 4628, HHB4628, 4357 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1662-D PIECE 34?
1662-D PIECE 34 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-461-1311. 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