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T-290 — SWITCH,FLEXIBLE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

T-290: SWITCH,FLEXIBLE.

The SWITCH,FLEXIBLE is a the manufacturer industrial component. Key specifications include width: 1.000 INCHES NOMINAL IN, material: STEEL, overall_width: 1.000 INCHES NOMINAL IN, overall_height: 0.500 INCHES NOMINAL IN, overall_length: 29.000 INCHES NOMINAL IN, special_features: SENSITIVITY 3 TO 5 LBS; MAXIMUM SERVICE TEMPERATURE 400 DEGREE F;MOLDED URETHANE HALF ROUND CONFIGURATION LBS. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-423-8144, 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
T-290
NSN: 5340-00-423-8144
NIINs: 004238144, 014962484
FSC: 5340 — Hardware, Commercial
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
width1.000 INCHES NOMINAL IN
materialSTEEL
overall_width1.000 INCHES NOMINAL IN
overall_height0.500 INCHES NOMINAL IN
overall_length29.000 INCHES NOMINAL IN
special_featuresSENSITIVITY 3 TO 5 LBS; MAXIMUM SERVICE TEMPERATURE 400 DEGREE F;MOLDED URETHANE HALF ROUND CONFIGURATION LBS
style_designatorSTRAIGHT
fsc_application_dataCLUTCH ASSEMBLIES,VEHICULAR
mounting_hole_diameter0.531 INCHES NOMINAL IN
mounting_hole_quantity2
end_item_identificationAN/SPN-43C FC4; LOWER HALYARD SENSOR CV63
cross-sectional_shape_styleFLAT
NSN5340-00-423-8144
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: T-290 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
•
MOUNTING HOLE QUANTITY: 2
•
FSC APPLICATION DATA: CLUTCH ASSEMBLIES,VEHICULAR
•
DISTANCE BETWEEN MOUNTING HOLE CENTERS: 1.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT
•
MOUNTING HOLE DIAMETER: 0.531 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
WIDTH: 1.000 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY2
FSC APPLICATION DATACLUTCH ASSEMBLIES,VEHICULAR
DISTANCE BETWEEN MOUNTING HOLE CENTERS1.750 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT
MOUNTING HOLE DIAMETER0.531 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEFLAT
WIDTH1.000 INCHES NOMINAL IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 1
6H5934Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is T-290?
T-290 is a SWITCH,FLEXIBLE.
What parts can replace T-290?
There is 1 known substitute for T-290: 6H5934. Substitute compatibility should be verified for your specific system.
What is the NSN for T-290?
T-290 is cataloged in the U.S. Government catalog under NSN 5340-00-423-8144. This indicates validated use in U.S. government and defense supply chains.
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