PartsTable
Technical Data Sheet
HS4450-10 ✓ 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 BUMPER is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-176-7014, 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
HS4450-10
NSN: 5340-01-176-7014
FSC: 5340
CAGE: 02731 — MCDONNELL DOUGLAS HELICOPTER CO INC (USA)
SPECIFICATIONS
Part NumberHS4450-10
NSN5340-01-176-7014
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: HS4450-10 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
997 NEOPRENE 50 DUROMETERUpgraded Successor
successor cross-reference
successor
HS4450-4Upgraded Successor
successor cross-reference
successor
HS4450Upgraded Successor
successor cross-reference
successor
U12390Interchangeable
interchangeable cross-reference
interchangeable
44Q137Interchangeable
interchangeable cross-reference
interchangeable
45Z230Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HS4450-10?
HS4450-10 is a BUMPER.
What parts can replace HS4450-10?
There are 13 known substitutes for HS4450-10: 997 NEOPRENE 50 DUROMETER, HS4450-4, HS4450 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HS4450-10?
HS4450-10 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-176-7014. This indicates validated use in U.S. government and defense supply chains.
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