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Technical Data Sheet
PartsTable / COMPONENT / 781-903-002
781-903-002 ✓ 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 CLAMP,SYNCHRO is a the manufacturer industrial component. Key specifications include height: 0.156 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING, hole_diameter: 0.112 INCHES NOMINAL IN, shank_diameter: 0.132 INCHES NOMINAL IN, effective_height: 0.125 INCHES NOMINAL IN, outside_diameter: 0.083 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-331-6256, 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
781-903-002
NSN: 5340-00-331-6256
FSC: 5340
CAGE: A1997 — ELETTRONICA SPA (ITA)
SPECIFICATIONS
height0.156 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING
hole_diameter0.112 INCHES NOMINAL IN
shank_diameter0.132 INCHES NOMINAL IN
effective_height0.125 INCHES NOMINAL IN
outside_diameter0.083 INCHES NOMINAL IN
style_designatorROUND OR ROUND W/ONE FLAT SIDE
NSN5340-00-331-6256
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 781-903-002 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
•
HEIGHT: 0.156 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
•
EFFECTIVE HEIGHT: 0.125 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.083 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.112 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND OR ROUND W/ONE FLAT SIDE
•
SHANK DIAMETER: 0.132 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HEIGHT0.156 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
EFFECTIVE HEIGHT0.125 INCHES NOMINAL IN
OUTSIDE DIAMETER0.083 INCHES NOMINAL IN
HOLE DIAMETER0.112 INCHES NOMINAL IN
STYLE DESIGNATORROUND OR ROUND W/ONE FLAT SIDE
SHANK DIAMETER0.132 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
24254Upgraded Successor
successor cross-reference
successor
14125AInterchangeable
interchangeable cross-reference
interchangeable
BT14125AInterchangeable
interchangeable cross-reference
interchangeable
5837Interchangeable
interchangeable cross-reference
interchangeable
4001125Interchangeable
interchangeable cross-reference
interchangeable
AS24254Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 781-903-002?
781-903-002 is a CLAMP,SYNCHRO.
What parts can replace 781-903-002?
There are 21 known substitutes for 781-903-002: 24254, 14125A, BT14125A and 18 more. Substitute compatibility should be verified for your specific system.
Is 781-903-002 still available?
781-903-002 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026