PartsTable
Technical Data Sheet
5591788 ✓ 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

PLUG,PROTECTIVE,DUST AND MOISTUR. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-273-2380, 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
5591788
NSN: 5340-01-273-2380
FSC: 5340
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
Part Number5591788
NSN5340-01-273-2380
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5591788 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 14
272-3Interchangeable
interchangeable cross-reference
interchangeable
T2237-5Interchangeable
interchangeable cross-reference
interchangeable
1256TMInterchangeable
interchangeable cross-reference
interchangeable
0818-0008Interchangeable
interchangeable cross-reference
interchangeable
G243465-1Interchangeable
interchangeable cross-reference
interchangeable
DRA40371Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5591788?
5591788 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace 5591788?
There are 14 known substitutes for 5591788: 272-3, T2237-5, 1256TM and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5591788?
5591788 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-273-2380. This indicates validated use in U.S. government and defense supply chains.
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