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Technical Data Sheet
123-1047 ✓ 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 COVER,ACCESS is a the manufacturer industrial component. Key specifications include securing_device_type: THREADED FASTENER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-107-5624, 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
123-1047
NSN: 5340-01-107-5624
FSC: 5340
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
securing_device_typeTHREADED FASTENER
NSN5340-01-107-5624
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 123-1047 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
KEY FEATURES
SECURING DEVICE TYPE: THREADED FASTENER
TECHNICAL CHARACTERISTICS (FLIS)
SECURING DEVICE TYPETHREADED FASTENER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
2820LInterchangeable
interchangeable cross-reference
interchangeable
2840-1012-1110Interchangeable
interchangeable cross-reference
interchangeable
123-1047Interchangeable
interchangeable cross-reference
interchangeable
123B1047Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 123-1047?
123-1047 is a COVER,ACCESS.
What parts can replace 123-1047?
There are 4 known substitutes for 123-1047: 2820L, 2840-1012-1110, 123-1047 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 123-1047?
123-1047 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-107-5624. This indicates validated use in U.S. government and defense supply chains.
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