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Technical Data Sheet
2975US26 ✓ 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 LATCH SET,MORTISE 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 5340-01-255-6430, 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
2975US26
NSN: 5340-01-255-6430
FSC: 5340
CAGE: 91844 — EMHART INDUSTRIES INC KWIKSET DIV (USA)
SPECIFICATIONS
Part Number2975US26
NSN5340-01-255-6430
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2975US26 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 17
4063-1Interchangeable
interchangeable cross-reference
interchangeable
2115955Interchangeable
interchangeable cross-reference
interchangeable
1024429Interchangeable
interchangeable cross-reference
interchangeable
SCHS15000Interchangeable
interchangeable cross-reference
interchangeable
SA7425Interchangeable
interchangeable cross-reference
interchangeable
339D827H17Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2975US26?
2975US26 is a LATCH SET,MORTISE.
What parts can replace 2975US26?
There are 17 known substitutes for 2975US26: 4063-1, 2115955, 1024429 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2975US26?
2975US26 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-255-6430. This indicates validated use in U.S. government and defense supply chains.
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