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Technical Data Sheet
PartsTable / COMPONENT / 491115ALT1PCD3
491115ALT1PCD3 ✓ 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 SNAP HOOK is a the manufacturer industrial component. Key specifications include material: IRON CONNECTION END, design_type: SWIVEL, overall_length: 3.250 INCHES NOMINAL IN, inside_diameter: 0.5625 INCHES NOMINAL IN, unattached_ring: NOT INCLUDED, end_connection_style: EYE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-473-3913, 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
491115ALT1PCD3
NSN: 5340-00-473-3913
FSC: 5340
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialIRON CONNECTION END
design_typeSWIVEL
overall_length3.250 INCHES NOMINAL IN
inside_diameter0.5625 INCHES NOMINAL IN
unattached_ringNOT INCLUDED
end_connection_styleEYE
hook_style_designatorPIVOT
rubber_covered_featureNOT INCLUDED
NSN5340-00-473-3913
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 491115ALT1PCD3 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
•
INSIDE DIAMETER: 0.5625 INCHES NOMINAL IN
•
MATERIAL: IRON CONNECTION END
•
END CONNECTION STYLE: EYE
•
DESIGN TYPE: SWIVEL
•
RUBBER COVERED FEATURE: NOT INCLUDED
•
UNATTACHED RING: NOT INCLUDED
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH3.250 INCHES NOMINAL IN
INSIDE DIAMETER0.5625 INCHES NOMINAL IN
MATERIALIRON CONNECTION END
MATERIALIRON HOOK
END CONNECTION STYLEEYE
DESIGN TYPESWIVEL
RUBBER COVERED FEATURENOT INCLUDED
UNATTACHED RINGNOT INCLUDED
HOOK STYLE DESIGNATORPIVOT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
581577Upgraded Successor
successor cross-reference
successor
536366Upgraded Successor
successor cross-reference
successor
3A7312Upgraded Successor
successor cross-reference
successor
25-11Upgraded Successor
successor cross-reference
successor
25-11-10Upgraded Successor
successor cross-reference
successor
345-295PC03Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 491115ALT1PCD3?
491115ALT1PCD3 is a SNAP HOOK.
What parts can replace 491115ALT1PCD3?
There are 9 known substitutes for 491115ALT1PCD3: 581577, 536366, 3A7312 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 491115ALT1PCD3?
491115ALT1PCD3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-473-3913. 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