PartsTable
Technical Data Sheet
10340249 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include end_item_identification: 5855-01-573-2483; MEDIUM RANGE THERMAL BI-OCULAR (MRTB), part_name_assigned_by_controlling_agency: O-RING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-580-4227, 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
10340249
NSN: 5331-01-580-4227
FSC: 5331 — O-RING
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
end_item_identification5855-01-573-2483; MEDIUM RANGE THERMAL BI-OCULAR (MRTB)
part_name_assigned_by_controlling_agencyO-RING
NSN5331-01-580-4227
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 10340249 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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION5855-01-573-2483; MEDIUM RANGE THERMAL BI-OCULAR (MRTB)
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
31036S7Interchangeable
interchangeable cross-reference
interchangeable
AC500-6-5Interchangeable
interchangeable cross-reference
interchangeable
296B70Interchangeable
interchangeable cross-reference
interchangeable
018Interchangeable
interchangeable cross-reference
interchangeable
B107.500 CAT 19 TY3CL1Interchangeable
interchangeable cross-reference
interchangeable
5120-00-024-9528Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10340249?
10340249 is a O-RING.
What parts can replace 10340249?
There are 9 known substitutes for 10340249: 31036S7, AC500-6-5, 296B70 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10340249?
10340249 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-580-4227. This indicates validated use in U.S. government and defense supply chains.
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