PartsTable
Technical Data Sheet
635J635PC8 ✓ 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 SEAL 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 5330-01-077-1612, 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
635J635PC8
NSN: 5330-01-077-1612
FSC: 5330
CAGE: 90099 — NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MARINE SYSTEMS (USA)
SPECIFICATIONS
Part Number635J635PC8
NSN5330-01-077-1612
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 635J635PC8 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 7
20235XXGInterchangeable
interchangeable cross-reference
interchangeable
MIL-B-16909 TY1Interchangeable
interchangeable cross-reference
interchangeable
A-A-59297 TY1Interchangeable
interchangeable cross-reference
interchangeable
47461Interchangeable
interchangeable cross-reference
interchangeable
2P181Interchangeable
interchangeable cross-reference
interchangeable
220676Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 635J635PC8?
635J635PC8 is a SEAL RING.
What parts can replace 635J635PC8?
There are 7 known substitutes for 635J635PC8: 20235XXG, MIL-B-16909 TY1, A-A-59297 TY1 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 635J635PC8?
635J635PC8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-077-1612. This indicates validated use in U.S. government and defense supply chains.
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