NSN 5305-01-406-7905
High Torque Screw
Between 0.928 inches and 0.948 inches fastener length, flat countersunk head style, 0.635 inches head diameter, grip diameter: between 0.3110 inches and 0.3120 inches .
Manufacturer part number C7984-5-8R for national stock number 5305014067905.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-406-7905.
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MPN or Model
C7984-5-8R
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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
0.438 inches -
Fastener Length
Between 0.928 inches and 0.948 inches -
Head Style
Flat countersunk -
Head Diameter
0.635 inches -
Grip Diameter
Between 0.3110 inches and 0.3120 inches -
Internal Drive Style
Offset cruciform (torque set) -
Thread Diameter
0.312 inches -
Grip Length
Between 0.490 inches and 0.510 inches -
Thready Qty Per Inch (tpi)
24 -
Hardness Rating
46.0 rockwell c and 49.0 rockwell c -
Countersink Angle
100.0 degrees -
Material
Steel -
Surface Treatment
Cadmium -
Thread Series Designator
Unjf -
Specification Data
81755-c7984-5-8r professional/industrial association specification
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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.
Pricing and Availability
Get a quote for 5305-01-406-7905 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
C7984-5-8R | Lockheed Martin Corporation |
C7984-5-8R | Sps Technologies, Llc |
C7984-5-8R | Sps Technologies, Llc |
C7984-5-8R | Sps Technologies, Llc |
C7984-5-8R | Alcoa Global Fasteners, Inc. |