NSN 5305-01-169-8255
High Torque Screw
Between 2.978 inches and 2.998 inches fastener length, crowned hexagon head style, between 0.157 inches and 0.172 inches head height, width between flats: between 0.492 inches and 0.502 inches .
Manufacturer part number SS5112-540 for national stock number 5305011698255.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-169-8255.
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MPN or Model
SS5112-540
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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.)
0.2 lb -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
Between 0.306 inches and 0.357 inches -
Fastener Length
Between 2.978 inches and 2.998 inches -
Head Style
Crowned hexagon -
Head Height
Between 0.157 inches and 0.172 inches -
Width Between Flats
Between 0.492 inches and 0.502 inches -
Locking Feature
Detent ball grip -
Grip Diameter
Between 0.3112 inches and 0.3117 inches -
Shank Unthreaded Hole Diameter
0.076 inches first hole and 0.086 inches first hole -
Internal Drive Style
Slot -
Thread Diameter
0.312 inches -
Grip Length
Between 2.500 inches and 2.516 inches -
Thready Qty Per Inch (tpi)
24 -
Min. Tensile Strength (psi)
63000 pounds per square inch -
Distance From Head Largest Bearing Surface To Shank Hole Center
2.865 inches first hole and 2.885 inches first hole -
Surface Finish
32.0 microinches grip -
Material
Steel comp 632 fastener -
Material Specification
Ams 5629 assn standard single material response -
Surface Treatment
Passivate -
Surface Treatment Specification
Qq-p-35 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 5305-01-169-8255 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
SS5112-540 | Sikorsky Aircraft Corporation |
SS5112-540 | Space-lok, Inc. |
SS5112-540 | Hi-shear Corporation |
SS5112-540 | Avibank Mfg., Inc. |
SS5112-540 | Lisi Aerospace Canada Corp |