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DIN 7603 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

DIN 7603: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include end_item_identification: ONBOARD 417 FT (WMSL-750) DEEP WATER NATIONAL SECURITY CUTTER FT. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-561-9037, 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
DIN 7603
NSN: 5330-01-561-9037
FSC: 5330 — Packing and Gasket Materials
CAGE: 34293 — HUNTINGTON INGALLS INCORPORATED DIV INGALLS SHIPBUILDING (USA)
SPECIFICATIONS
end_item_identificationONBOARD 417 FT (WMSL-750) DEEP WATER NATIONAL SECURITY CUTTER FT
NSN5330-01-561-9037
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: DIN 7603 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONONBOARD 417 FT (WMSL-750) DEEP WATER NATIONAL SECURITY CUTTER FT
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
8499970036Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is DIN 7603?
DIN 7603 is a SEAL,PLAIN ENCASED.
What parts can replace DIN 7603?
There is 1 known substitute for DIN 7603: 8499970036. Substitute compatibility should be verified for your specific system.
What is the NSN for DIN 7603?
DIN 7603 is cataloged in the U.S. Government catalog under NSN 5330-01-561-9037. This indicates validated use in U.S. government and defense supply chains.
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