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Technical Data Sheet
PartsTable / COMPONENT / 9745-18A0440-17
9745-18A0440-17 ✓ 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 STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 1.281 INCHES NOMINAL IN, groove_width: 0.060 INCHES NOMINAL IN, groove_diameter: 0.081 INCHES NOMINAL IN, style_designator: LEFT INTERNAL AND RIGHT EXTERNAL THREAD, width_across_flats: 0.250 INCHES NOMINAL IN, cross-sectional_shape: HEXAGON. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-194-3686, 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
9745-18A0440-17
NSN: 5340-00-194-3686
FSC: 5340
CAGE: 06540 — NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV (USA)
SPECIFICATIONS
length1.281 INCHES NOMINAL IN
groove_width0.060 INCHES NOMINAL IN
groove_diameter0.081 INCHES NOMINAL IN
style_designatorLEFT INTERNAL AND RIGHT EXTERNAL THREAD
width_across_flats0.250 INCHES NOMINAL IN
cross-sectional_shapeHEXAGON
NSN5340-00-194-3686
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9745-18A0440-17 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
•
GROOVE WIDTH: 0.060 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE: HEXAGON
•
WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT EXTERNAL THREAD
•
LENGTH: 1.281 INCHES NOMINAL IN
•
GROOVE DIAMETER: 0.081 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
GROOVE WIDTH0.060 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPEHEXAGON
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT EXTERNAL THREAD
LENGTH1.281 INCHES NOMINAL IN
GROOVE DIAMETER0.081 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
2001 78Interchangeable
interchangeable cross-reference
interchangeable
503-S 78Interchangeable
interchangeable cross-reference
interchangeable
13378Interchangeable
interchangeable cross-reference
interchangeable
63106Interchangeable
interchangeable cross-reference
interchangeable
47-9311Interchangeable
interchangeable cross-reference
interchangeable
TLS42Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9745-18A0440-17?
9745-18A0440-17 is a STANDOFF,THREADED,SPACING.
What parts can replace 9745-18A0440-17?
There are 12 known substitutes for 9745-18A0440-17: 2001 78, 503-S 78, 13378 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9745-18A0440-17?
9745-18A0440-17 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-194-3686. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026