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Technical Data Sheet
PartsTable / COMPONENT / R6250302-32
R6250302-32 ✓ 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 BACK-UP RING,PREFORMED PACKING 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 5330-01-721-6628, 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
R6250302-32
NSN: 5330-01-721-6628
FSC: 5330
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
Part NumberR6250302-32
NSN5330-01-721-6628
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: R6250302-32 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 29
R6250302-42Interchangeable
interchangeable cross-reference
interchangeable
36-01-7816Interchangeable
interchangeable cross-reference
interchangeable
561-8836376-42Interchangeable
interchangeable cross-reference
interchangeable
8836376Interchangeable
interchangeable cross-reference
interchangeable
LSA002745-8Interchangeable
interchangeable cross-reference
interchangeable
37-37-7992Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R6250302-32?
R6250302-32 is a BACK-UP RING,PREFORMED PACKING.
What parts can replace R6250302-32?
There are 29 known substitutes for R6250302-32: R6250302-42, 36-01-7816, 561-8836376-42 and 26 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R6250302-32?
R6250302-32 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-721-6628. 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