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640024ITEM15 ✓ 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

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include design_type: THREADED, special_features: INCLUDES CHAIN SECURING DEVICE, end_item_identification: HX UNIQUE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-526-5948, 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
640024ITEM15
NSN: 5340-01-526-5948
FSC: 5340
CAGE: 02009 — RDF CORPORATION (USA)
SPECIFICATIONS
design_typeTHREADED
special_featuresINCLUDES CHAIN SECURING DEVICE
end_item_identificationHX UNIQUE
NSN5340-01-526-5948
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 640024ITEM15 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
•
DESIGN TYPE: THREADED
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONHX UNIQUE
SPECIAL FEATURESINCLUDES CHAIN SECURING DEVICE
DESIGN TYPETHREADED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
5201-5Interchangeable
interchangeable cross-reference
interchangeable
26405Interchangeable
interchangeable cross-reference
interchangeable
FH2015Interchangeable
interchangeable cross-reference
interchangeable
15991Interchangeable
interchangeable cross-reference
interchangeable
13655Interchangeable
interchangeable cross-reference
interchangeable
NFES 1243Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 640024ITEM15?
640024ITEM15 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 640024ITEM15?
There are 9 known substitutes for 640024ITEM15: 5201-5, 26405, FH2015 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 640024ITEM15?
640024ITEM15 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-526-5948. 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