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Technical Data Sheet
52409A ✓ 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 HOLDER,SPRING is a the manufacturer industrial component. Key specifications include material: STEEL, fsc_application_data: TELETYPE AND FACSIMILE EQUIPMENT, attachment_to_item_supported_method: HOLDS ITEM BY CIRCULAR GROOVE, supporting_object/surface_attachment_method: THREADED SHANK. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-395-9483, 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
52409A
NSN: 5340-00-395-9483
FSC: 5340
CAGE: 82423 — KLEINSCHMIDT INC (USA)
SPECIFICATIONS
materialSTEEL
fsc_application_dataTELETYPE AND FACSIMILE EQUIPMENT
attachment_to_item_supported_methodHOLDS ITEM BY CIRCULAR GROOVE
supporting_object/surface_attachment_methodTHREADED SHANK
NSN5340-00-395-9483
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 52409A 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
FSC APPLICATION DATA: TELETYPE AND FACSIMILE EQUIPMENT
MATERIAL: STEEL
ATTACHMENT TO ITEM SUPPORTED METHOD: HOLDS ITEM BY CIRCULAR GROOVE
SUPPORTING OBJECT/SURFACE ATTACHMENT METHOD: THREADED SHANK
TECHNICAL CHARACTERISTICS (FLIS)
FSC APPLICATION DATATELETYPE AND FACSIMILE EQUIPMENT
MATERIALSTEEL
ATTACHMENT TO ITEM SUPPORTED METHODHOLDS ITEM BY CIRCULAR GROOVE
SUPPORTING OBJECT/SURFACE ATTACHMENT METHODTHREADED SHANK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
52409Interchangeable
interchangeable cross-reference
interchangeable
SK6511Interchangeable
interchangeable cross-reference
interchangeable
XH4979Interchangeable
interchangeable cross-reference
interchangeable
557-1-1/4Interchangeable
interchangeable cross-reference
interchangeable
51-10143Interchangeable
interchangeable cross-reference
interchangeable
5217-1250Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 52409A?
52409A is a HOLDER,SPRING.
What parts can replace 52409A?
There are 9 known substitutes for 52409A: 52409, SK6511, XH4979 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 52409A?
52409A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-395-9483. This indicates validated use in U.S. government and defense supply chains.
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