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64489 — WASHER,KEY

✓ Government record, cited
Kensington · NUT WASHER
PRODUCT OVERVIEW

64489: WASHER,KEY.

Trust Kensington, the choice of IT professionals, to help protect the sensitive information on your Surface™ Pro and reduce the chances of wandering eyes viewing confidential data on your screen. This privacy screen is designed specifically for Microsoft’s Surface Pro™ and is compatible with the touch screen. The FP Series Laptop Privacy Screens limit the field of vision to +/- 30 degrees so a person off to the side only sees a dark screen.

They are easy to install, with the included double-sided tape. The reversible privacy screens also use an anti-reflective coating to reduce glare, and they filter out harmful blue light by up to 30 percent. Touch Screen Compatible Kensington worked directly with Microsoft to provide this privacy screen for the Microsoft Surface Pro and it is compatible with the touch screen.

Limited Viewing Angle Narrows the field of vision on the screen to +/- 30 degrees (in landscape mode), helping you keep the information This part is cataloged in the U.S. Government catalog under NSN 5310-00-787-6504, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
64489
NSN: 5310-00-787-6504
NIINs: 007876504, 013807218, 016495796
FSC: 5310 — Nuts and Washers
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialSTEEL BAND
style_designatorCENTER MOUNT
material_diameter0.032 INCHES NOMINAL IN
loop_inside_diameter0.438 INCHES NOMINAL IN
distance_from_loop_center_to_tongue_end0.594 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.407 INCHES NOMINAL IN
NSN5310-00-787-6504
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 64489 · Kensington ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY: 1.875 INCHES NOMINAL IN
•
INTERNAL PREBENT KEY WIDTH: 0.438 INCHES NOMINAL IN
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STYLE DESIGNATOR: KEY
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OUTSIDE DIAMETER: 4.625 INCHES NOMINAL IN
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MATERIAL THICKNESS: 0.062 INCHES NOMINAL IN
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INTERNAL PREBENT KEY LENGTH: 0.219 INCHES NOMINAL IN
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MATERIAL: STEEL OVERALL
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HOLE DIAMETER: 3.266 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY1.875 INCHES NOMINAL IN
INTERNAL PREBENT KEY WIDTH0.438 INCHES NOMINAL IN
STYLE DESIGNATORKEY
OUTSIDE DIAMETER4.625 INCHES NOMINAL IN
MATERIAL THICKNESS0.062 INCHES NOMINAL IN
INTERNAL PREBENT KEY LENGTH0.219 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
HOLE DIAMETER3.266 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 64489?
64489 is a WASHER,KEY manufactured by Kensington.
What is the NSN for 64489?
64489 is cataloged in the U.S. Government catalog under NSN 5310-00-787-6504. This indicates validated use in U.S. government and defense supply chains.
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