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Technical Data Sheet
PartsTable / COMPONENT / SS3901-1
SS3901-1 ✓ 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 SEAL,ANTIPILFERAGE is a the manufacturer industrial component. Key specifications include shape: CIRCULAR, diameter: 0.375 INCHES NOMINAL IN, material: LEAD ALLOY, thickness: 0.176 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-474-3603, 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
SS3901-1
NSN: 5340-00-474-3603
FSC: 5340
CAGE: 01359 — TRIUMPH THERMAL SYSTEMS - MARYLAND, INC. (USA)
SPECIFICATIONS
shapeCIRCULAR
diameter0.375 INCHES NOMINAL IN
materialLEAD ALLOY
thickness0.176 INCHES NOMINAL IN
hole_quantity2
NSN5340-00-474-3603
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SS3901-1 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
KEY FEATURES
•
MATERIAL: LEAD ALLOY
•
SHAPE: CIRCULAR
•
THICKNESS: 0.176 INCHES NOMINAL IN
•
DIAMETER: 0.375 INCHES NOMINAL IN
•
HOLE QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALLEAD ALLOY
SHAPECIRCULAR
THICKNESS0.176 INCHES NOMINAL IN
DIAMETER0.375 INCHES NOMINAL IN
HOLE QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
06335.1000Upgraded Successor
successor cross-reference
successor
6335Upgraded Successor
successor cross-reference
successor
06335.0000Upgraded Successor
successor cross-reference
successor
62A100C9065Interchangeable
interchangeable cross-reference
interchangeable
633SInterchangeable
interchangeable cross-reference
interchangeable
83A155-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SS3901-1?
SS3901-1 is a SEAL,ANTIPILFERAGE.
What parts can replace SS3901-1?
There are 19 known substitutes for SS3901-1: 06335.1000, 6335, 06335.0000 and 16 more. Substitute compatibility should be verified for your specific system.
Is SS3901-1 still available?
SS3901-1 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