NSN 5305-01-195-5830
High Torque Screw
Internal drive ribbed.
Manufacturer part number 123256-4R12 for national stock number 5305011955830.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-195-5830.
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MPN or Model
123256-4R12
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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
Between 0.402 inches and 0.438 inches -
Fastener Length
Between 1.168 inches and 1.188 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.449 inches and 0.507 inches -
Locking Feature
Detent ball threads -
Grip Diameter
Between 0.2483 inches and 0.2492 inches -
Internal Drive Style
Offset cruciform (torque set) -
Thread Diameter
0.250 inches -
Grip Length
Between 0.750 inches and 0.766 inches -
Thready Qty Per Inch (tpi)
28 -
Hardness Rating
36.0 rockwell c and 41.0 rockwell c -
Countersink Angle
Between 99.0 degrees and 101.0 degrees -
Surface Finish
32.0 microinches threads -
Material
Steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 4130 or steel comp 6150 -
Surface Treatment
Cadmium and chromate -
Surface Treatment Specification
Qq-p-416, type 2, class 2 federal 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.
Pricing and Availability
Get a quote for 5305-01-195-5830 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
123256-4R12 | Sps Technologies, Llc |
AS303-24-12 | Avibank Mfg., Inc. |
LE111-0044-2412 | Boeing Company, The |