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Technical Data Sheet
68353 ✓ 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 CONNECTING LINK,RIGID is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, link_style: TUBULAR SHANK, insert_size: 0.500 IN. IN, body_diameter: 0.750 INCHES NOMINAL IN, overall_length: 0.450 INCHES MAXIMUM IN, mounting_method: TERMINAL.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-440-2789, 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
68353
NSN: 5340-00-440-2789
FSC: 5340
CAGE: 78206 — STAR EXPANSION CO (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
link_styleTUBULAR SHANK
insert_size0.500 IN. IN
body_diameter0.750 INCHES NOMINAL IN
unit_quantity1
overall_length0.450 INCHES MAXIMUM IN
mounting_methodTERMINAL
special_featuresTHIS ITEM IS SELECTED FOR: FALL = 0.25 US MAX. US
style_designatorMACHINE SCREW TYPE
thread_provisionTHREADED
body_constructionTUBULAR
features_providedINSTALLATION SETTING TOOL
NSN5340-00-440-2789
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 68353 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
STYLE DESIGNATOR: MACHINE SCREW TYPE
UNIT QUANTITY: 1
THREAD PROVISION: THREADED
MATERIAL: ALUMINUM ALLOY
FEATURES PROVIDED: INSTALLATION SETTING TOOL
INSERT TYPE FOR WHICH DESIGNED: BOLT
INSERT SIZE: 0.500 IN. IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORMACHINE SCREW TYPE
UNIT QUANTITY1
THREAD PROVISIONTHREADED
MATERIALALUMINUM ALLOY
FEATURES PROVIDEDINSTALLATION SETTING TOOL
INSERT TYPE FOR WHICH DESIGNEDBOLT
INSERT SIZE0.500 IN. IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
68353Interchangeable
interchangeable cross-reference
interchangeable
40-3044250Interchangeable
interchangeable cross-reference
interchangeable
668353Interchangeable
interchangeable cross-reference
interchangeable
N3510P265-103Interchangeable
interchangeable cross-reference
interchangeable
DAA3510P265Interchangeable
interchangeable cross-reference
interchangeable
6097275Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 68353?
68353 is a CONNECTING LINK,RIGID.
What parts can replace 68353?
There are 7 known substitutes for 68353: 68353, 40-3044250, 668353 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 68353?
68353 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-440-2789. This indicates validated use in U.S. government and defense supply chains.
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