PartsTable
Technical Data Sheet
H2645-1 ✓ 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 LEVER,LOCK-RELEASE 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 5340-01-257-0329, 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
H2645-1
NSN: 5340-01-257-0329
FSC: 5340
CAGE: 83014 — HARTWELL CORPORATION (USA)
SPECIFICATIONS
Part NumberH2645-1
NSN5340-01-257-0329
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H2645-1 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 18
186629Upgraded Successor
successor cross-reference
successor
102075Upgraded Successor
successor cross-reference
successor
9160Upgraded Successor
successor cross-reference
successor
128Interchangeable
interchangeable cross-reference
interchangeable
MA268A-21055Interchangeable
interchangeable cross-reference
interchangeable
GTB7875Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H2645-1?
H2645-1 is a LEVER,LOCK-RELEASE.
What parts can replace H2645-1?
There are 18 known substitutes for H2645-1: 186629, 102075, 9160 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H2645-1?
H2645-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-257-0329. This indicates validated use in U.S. government and defense supply chains.
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