PartsTable
Technical Data Sheet
A/401 ✓ 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 A/401 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 5340-01-203-4959, 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
A/401
NSN: 5340-01-203-4959
FSC: 5340
CAGE: 50064 — O. E. M. CONTROLS, INC. DBA OEM CONTROLS INC (USA)
SPECIFICATIONS
Part NumberA/401
NSN5340-01-203-4959
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A/401 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 FEATURESINCL 0NE SCREW M4 X 40 DIN 84 AND WAVEY LOCKWASHER; P/O CONTROLLER,MOTOR EMS5M3412,NSN 6110-01-212-4332
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
A401Interchangeable
interchangeable cross-reference
interchangeable
11K1821ITEM3FInterchangeable
interchangeable cross-reference
interchangeable
11K1983ITEM9FInterchangeable
interchangeable cross-reference
interchangeable
PP17-1Interchangeable
interchangeable cross-reference
interchangeable
B2-4Interchangeable
interchangeable cross-reference
interchangeable
130-634-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A/401?
A/401 is a A/401.
What parts can replace A/401?
There are 15 known substitutes for A/401: A401, 11K1821ITEM3F, 11K1983ITEM9F and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A/401?
A/401 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-203-4959. This indicates validated use in U.S. government and defense supply chains.
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