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Technical Data Sheet
1939550 ✓ 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 PLUG ASSEMBLY,SEALING 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 5340-01-355-4841, 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
1939550
NSN: 5340-01-355-4841
FSC: 5340
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
Part Number1939550
NSN5340-01-355-4841
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1939550 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 19
09078Interchangeable
interchangeable cross-reference
interchangeable
0005438Interchangeable
interchangeable cross-reference
interchangeable
7E6309Interchangeable
interchangeable cross-reference
interchangeable
49709Interchangeable
interchangeable cross-reference
interchangeable
C08674Interchangeable
interchangeable cross-reference
interchangeable
2510 9/64Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1939550?
1939550 is a PLUG ASSEMBLY,SEALING.
What parts can replace 1939550?
There are 19 known substitutes for 1939550: 09078, 0005438, 7E6309 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1939550?
1939550 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-355-4841. This indicates validated use in U.S. government and defense supply chains.
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