PartsTable
Technical Data Sheet
6990-41637 ✓ 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

SEAL,NONMETALLIC SPECIAL SHAPED. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-232-2310, 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
6990-41637
NSN: 5330-01-232-2310
FSC: 5330
CAGE: 59500 — TENNANT COMPANY (USA)
SPECIFICATIONS
Part Number6990-41637
NSN5330-01-232-2310
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6990-41637 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 9
41637Interchangeable
interchangeable cross-reference
interchangeable
0141637-9Interchangeable
interchangeable cross-reference
interchangeable
0141637Interchangeable
interchangeable cross-reference
interchangeable
5304-0875Interchangeable
interchangeable cross-reference
interchangeable
SG-28YInterchangeable
interchangeable cross-reference
interchangeable
93436DMQBInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6990-41637?
6990-41637 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What parts can replace 6990-41637?
There are 9 known substitutes for 6990-41637: 41637, 0141637-9, 0141637 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6990-41637?
6990-41637 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-232-2310. This indicates validated use in U.S. government and defense supply chains.
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