PartsTable
Technical Data Sheet
42668-1 ✓ 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 BRACKET,ANGLE 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 5340-01-629-5647, 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
42668-1
NSN: 5340-01-629-5647
FSC: 5340
CAGE: 07070 — UNITED STATES DEPARTMENT OF THE NAVY DBA NAVAL SURFACE WARFARE CENTER PANAMA CITY (USA)
SPECIFICATIONS
Part Number42668-1
NSN5340-01-629-5647
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 42668-1 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 5
2664933-1Interchangeable
interchangeable cross-reference
interchangeable
26642Interchangeable
interchangeable cross-reference
interchangeable
SM-C-443245Interchangeable
interchangeable cross-reference
interchangeable
5950007788652Interchangeable
interchangeable cross-reference
interchangeable
42668Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 42668-1?
42668-1 is a BRACKET,ANGLE.
What parts can replace 42668-1?
There are 5 known substitutes for 42668-1: 2664933-1, 26642, SM-C-443245 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 42668-1?
42668-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-629-5647. This indicates validated use in U.S. government and defense supply chains.
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