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Technical Data Sheet
PartsTable / COMPONENT / 42906-1
42906-1 ✓ 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 HARNESS,RETAINING 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 5340-01-623-7503, 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
42906-1
NSN: 5340-01-623-7503
FSC: 5340
CAGE: 01365 — MARINE CORPS SYSTEMS COMMAND DIV MARINE CORPS SYSTEMS COMMAND TECHNICAL DATA REPOSITORY CUSTOMER SERVICE (USA)
SPECIFICATIONS
Part Number42906-1
NSN5340-01-623-7503
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 42906-1 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 8
62886Interchangeable
interchangeable cross-reference
interchangeable
42906Interchangeable
interchangeable cross-reference
interchangeable
TD4201S7Interchangeable
interchangeable cross-reference
interchangeable
42198Interchangeable
interchangeable cross-reference
interchangeable
41534Interchangeable
interchangeable cross-reference
interchangeable
722912-50Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 42906-1?
42906-1 is a HARNESS,RETAINING.
What parts can replace 42906-1?
There are 8 known substitutes for 42906-1: 62886, 42906, TD4201S7 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 42906-1?
42906-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-623-7503. 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