PartsTable
Technical Data Sheet
A56-139 ✓ 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 CLAMP,LOOP 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 5340-01-240-6128, 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
A56-139
NSN: 5340-01-240-6128
FSC: 5340
CAGE: 03533 — CRANE CARRIER COMPANY, LLC (USA)
SPECIFICATIONS
Part NumberA56-139
NSN5340-01-240-6128
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A56-139 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 21
5640Upgraded Successor
successor cross-reference
successor
5640, OWENS & MINOR, INC.Upgraded Successor
successor cross-reference
successor
6515NCM072120Upgraded Successor
successor cross-reference
successor
33942Upgraded Successor
successor cross-reference
successor
368705-1Interchangeable
interchangeable cross-reference
interchangeable
78MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A56-139?
A56-139 is a CLAMP,LOOP.
What parts can replace A56-139?
There are 21 known substitutes for A56-139: 5640, 5640, OWENS & MINOR, INC., 6515NCM072120 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A56-139?
A56-139 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-240-6128. This indicates validated use in U.S. government and defense supply chains.
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