PartsTable
Technical Data Sheet
781-903-003 ✓ 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: 0.1560 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING, thread_class: 2B, effective_height: 0.0930 INCHES NOMINAL IN, outside_diameter: 0.3800 INCHES MINIMUM AND 0.3900 INCHES MAXIMUM IN, special_features: THE INSERT IS MADE OF NYLON. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-984-6629, 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
781-903-003
NSN: 5340-00-984-6629
FSC: 5340
CAGE: C3141 — ELETTRONICA GMBH (DEU)
SPECIFICATIONS
height0.1560 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING
thread_class2B
effective_height0.0930 INCHES NOMINAL IN
outside_diameter0.3800 INCHES MINIMUM AND 0.3900 INCHES MAXIMUM IN
special_featuresTHE INSERT IS MADE OF NYLON
style_designatorCLEAT
features_providedINSERT
nominal_thread_size0.1120 INCHES IN
thread_quantity_per_inch40
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
distance_from_hole_center_to_end0.1250 INCHES NOMINAL IN
NSN5340-00-984-6629
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 781-903-003 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
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH: 40
DISTANCE FROM HOLE CENTER TO END: 0.1250 INCHES NOMINAL IN
HEIGHT: 0.1560 INCHES NOMINAL IN
MATERIAL: STEEL CORROSION RESISTING
NOMINAL THREAD SIZE: 0.1120 INCHES IN
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH40
DISTANCE FROM HOLE CENTER TO END0.1250 INCHES NOMINAL IN
HEIGHT0.1560 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
NOMINAL THREAD SIZE0.1120 INCHES IN
SPECIAL FEATURESTHE INSERT IS MADE OF NYLON
THREAD CLASS2B
OUTSIDE DIAMETER0.3800 INCHES MINIMUM AND 0.3900 INCHES MAXIMUM IN
FEATURES PROVIDEDINSERT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
40346R1Upgraded Successor
successor cross-reference
successor
14015Upgraded Successor
successor cross-reference
successor
12759-00566Upgraded Successor
successor cross-reference
successor
6515NCM093879Upgraded Successor
successor cross-reference
successor
319.27Upgraded Successor
successor cross-reference
successor
409074Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 781-903-003?
781-903-003 is a CLAMP,SYNCHRO.
What parts can replace 781-903-003?
There are 29 known substitutes for 781-903-003: 40346R1, 14015, 12759-00566 and 26 more. Substitute compatibility should be verified for your specific system.
Is 781-903-003 still available?
781-903-003 is currently cancelled.
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