PartsTable
Technical Data Sheet
5EX9 ✓ 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 PLATE,RETAINING,SEAL 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 5340-01-266-8631, 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
5EX9
NSN: 5340-01-266-8631
FSC: 5340
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
special_featuresSTEEL,SAE,COMP 1010; 3.437 IN. LG,2.874 IN. W,0.149 IN. THK,TWO HOLES 0.656 IN. DIA,1.500 IN. C TO C DIST BTWN HOLES,SLIGHT BEND 0.125 IN. RADIUS,LARGER BEND 0.156 IN. RADIUS IN
NSN5340-01-266-8631
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5EX9 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESSTEEL,SAE,COMP 1010; 3.437 IN. LG,2.874 IN. W,0.149 IN. THK,TWO HOLES 0.656 IN. DIA,1.500 IN. C TO C DIST BTWN HOLES,SLIGHT BEND 0.125 IN. RADIUS,LARGER BEND 0.156 IN. RADIUS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
43178Interchangeable
interchangeable cross-reference
interchangeable
3006001Interchangeable
interchangeable cross-reference
interchangeable
MG1003159-001Interchangeable
interchangeable cross-reference
interchangeable
LA53-43950-TD ITEM NO 1.20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5EX9?
5EX9 is a PLATE,RETAINING,SEAL.
What parts can replace 5EX9?
There are 4 known substitutes for 5EX9: 43178, 3006001, MG1003159-001 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5EX9?
5EX9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-266-8631. This indicates validated use in U.S. government and defense supply chains.
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