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H5040K343 — CATCH,FLUSH

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

H5040K343: CATCH,FLUSH.

The CATCH,FLUSH is a the manufacturer industrial component. Key specifications include width: 2.750 INCHES NOMINAL IN, length: 3.350 INCHES NOMINAL IN, material: UNABLE TO DECODE, special_features: MATL:BRACKET STEEL,LEVER STEEL, style_designator: FLUSH LEVER ACTUATOR, bolt_offset_distance: 0.560 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-030-4978, 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
H5040K343
NSN: 5340-01-030-4978
FSC: 5340 — Hardware, Commercial
CAGE: 83014 — HARTWELL CORPORATION (USA)
SPECIFICATIONS
width2.750 INCHES NOMINAL IN
length3.350 INCHES NOMINAL IN
materialUNABLE TO DECODE
special_featuresMATL:BRACKET STEEL,LEVER STEEL
style_designatorFLUSH LEVER ACTUATOR
bolt_offset_distance0.560 INCHES NOMINAL IN
lever_offset_distance0.113 INCHES NOMINAL IN
mounting_hole_diameter0.193 INCHES NOMINAL IN
center_to_center_distance_between_mounting_holes_along_width1.500 INCHES NOMINAL IN
center_to_center_distance_between_mounting_holes_along_length2.000 INCHES NOMINAL IN
NSN5340-01-030-4978
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H5040K343 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
•
BOLT OFFSET DISTANCE: 0.560 INCHES NOMINAL IN
•
LENGTH: 3.350 INCHES NOMINAL IN
•
LEVER OFFSET DISTANCE: 0.113 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLUSH LEVER ACTUATOR
•
MOUNTING HOLE DIAMETER: 0.193 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH: 1.500 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH: 2.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BOLT OFFSET DISTANCE0.560 INCHES NOMINAL IN
LENGTH3.350 INCHES NOMINAL IN
LEVER OFFSET DISTANCE0.113 INCHES NOMINAL IN
STYLE DESIGNATORFLUSH LEVER ACTUATOR
MOUNTING HOLE DIAMETER0.193 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH1.500 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH2.000 INCHES NOMINAL IN
SPECIAL FEATURESMATL:BRACKET STEEL,LEVER STEEL
WIDTH2.750 INCHES NOMINAL IN
MATERIALUNABLE TO DECODE
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
BACL10U4Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H5040K343?
H5040K343 is a CATCH,FLUSH.
What parts can replace H5040K343?
There is 1 known substitute for H5040K343: BACL10U4. Substitute compatibility should be verified for your specific system.
What is the NSN for H5040K343?
H5040K343 is cataloged in the U.S. Government catalog under NSN 5340-01-030-4978. This indicates validated use in U.S. government and defense supply chains.
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