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Technical Data Sheet
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3-3373 — Technical Data Sheet

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Kensington · 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 Kensington Wireless Presenter lets you remain in control of your presentation. Conveniently portable and easy-to-use, it frees you from distraction and allows you to focus on what matters most - your presentation. 2.4GHz of wireless technology let's you concentrate on your presentation and forget about wires and cords.

Palm-sized design features a convenient, one-touch start button. This part is cataloged in the Federal Logistics Information System under NSN 5340-00-349-1669, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
3-3373
NSN: 5340-00-349-1669
FSC: 5340
CAGE: 61423 — KIDDE TECHNOLOGIES, INC DIV KIDDE AEROSPACE AND DEFENSE (USA)
SPECIFICATIONS
materialFIBER OVERALL
hole_diameter0.359 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
special_featuresHAVING 3 BOLT HOLE CIRCLES; MATERIAL IS VEGETABLE FIBER
style_designatorNON CIRCULAR
aperture_diameter1.562 INCHES NOMINAL IN
bolt_circle_diameter2.641 INCHES NOMINAL IN
end_item_identificationCREW SHELTER (INLS) KDF 208680-M
cross-sectional_thickness0.062 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
part_name_assigned_by_controlling_agencyGASKET, THERMOSTAT
NSN5340-00-349-1669
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3-3373 MFR: Kensington ⚠ 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
•
MATERIAL: ALUMINUM ALLOY
•
OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
VENT HOLE QUANTITY: 2
•
LENGTH: 0.468 INCHES NOMINAL IN
•
UNTHREADED END LENGTH: 0.278 INCHES NOMINAL IN
•
END CONNECTION TYPE: THREADED
•
INSIDE DIAMETER: 0.240 INCHES NOMINAL IN
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.750-28 UN
TECHNICAL CHARACTERISTICS
MATERIALALUMINUM ALLOY
OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
VENT HOLE QUANTITY2
LENGTH0.468 INCHES NOMINAL IN
UNTHREADED END LENGTH0.278 INCHES NOMINAL IN
END CONNECTION TYPETHREADED
INSIDE DIAMETER0.240 INCHES NOMINAL IN
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.750-28 UN
VENT HOLE DIAMETER0.094 INCHES NOMINAL IN
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
333Upgraded SuccessorGOVERNMENT REGISTRY
successor cross-reference
successor
135011InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
PF858InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
PS33373InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
33696-026InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
Y303373InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3-3373?
3-3373 is a FILTER ELEMENT,FLUID manufactured by Kensington.
What parts can replace 3-3373?
There are 15 known substitutes for 3-3373: 333, 135011, PF858 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3-3373?
3-3373 is cataloged in the Federal Logistics Information System under NSN 5340-00-349-1669. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026