NSN 5305-01-347-3679
High Torque Screw
Between 0.954 inches and 0.984 inches fastener length, flat countersunk head style, between 0.390 inches and 0.395 inches head diameter, grip diameter: between 0.2485 inches and 0.2495 inches .
Manufacturer part number CHT4068-4-8 for national stock number 5305013473679.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-347-3679.
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MPN or Model
CHT4068-4-8
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Schedule B
7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment) -
NMF (National Motor Freight)
093486 - Bolts, Nuts Or Screws, NOI (sub 3) -
Unit Weight (Est.)
0.1 lb -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
0.469 inches -
Fastener Length
Between 0.954 inches and 0.984 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.390 inches and 0.395 inches -
Grip Diameter
Between 0.2485 inches and 0.2495 inches -
Internal Drive Style
High-torque -
Thread Diameter
0.250 inches -
Grip Length
0.500 inches -
Features Provided
Cetyl alcohol lubricant -
Thready Qty Per Inch (tpi)
28 -
Countersink Angle
Between 99.0 degrees and 101.0 degrees -
Surface Finish
32.0 microinches bearing surface of head32.0 microinches grip32.0 microinches threads -
Material
Steel comp xm-13 -
Material Specification
Ams 5629 assn standard single material response -
Surface Treatment
Aluminum and chromate -
Surface Treatment Specification
Mil-c-83488 type 2 cl 3 military specification single treatment response -
Thread Series Designator
Unjf
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A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.
![Mechanic Bill explains High Torque Screw](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 5305-01-347-3679 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
CHT4068-4-8 | Arconic Global Fasteners & Rings, |
CHT4068-4-8 | Deutsch Co The |
CHT4068-4-8 | Sps Technologies, Llc |
CHT4068-4-8 | Alcoa Global Fasteners, Inc. |
CHT4068-4-8 | Huck International, Inc. |
Stock Check
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