PartsTable
Technical Data Sheet
PartsTable / O-RING / S1401-4A
S1401-4A ✓ 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 PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include special_features: CROSS-SECTIONAL SHAPE STYLE:116 IRREGULAR SHAPE FROM OLD FIIG A03200. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-020-0203, 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
S1401-4A
NSN: 5331-00-020-0203
FSC: 5331 — O-RING
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
special_featuresCROSS-SECTIONAL SHAPE STYLE:116 IRREGULAR SHAPE FROM OLD FIIG A03200
NSN5331-00-020-0203
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S1401-4A 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 35
3904Interchangeable
interchangeable cross-reference
interchangeable
1KK528Interchangeable
interchangeable cross-reference
interchangeable
AS568A-904MILP2 5732Interchangeable
interchangeable cross-reference
interchangeable
3-4 N304-75Interchangeable
interchangeable cross-reference
interchangeable
AS3208-04Interchangeable
interchangeable cross-reference
interchangeable
Z00.N7423510020Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S1401-4A?
S1401-4A is a PACKING,PREFORMED.
What parts can replace S1401-4A?
There are 35 known substitutes for S1401-4A: 3904, 1KK528, AS568A-904MILP2 5732 and 32 more. Substitute compatibility should be verified for your specific system.
Is S1401-4A still available?
S1401-4A is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026