NSN 5305-01-139-0848
High Torque Screw
Between 2.079 inches and 2.109 inches fastener length, pan head style, between 0.568 inches and 0.593 inches head diameter, head height: between 0.162 inches and 0.183 inches .
Manufacturer part number NAS1985C26H for national stock number 5305011390848.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-139-0848.
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MPN or Model
NAS1985C26H
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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 0.444 inches and 0.494 inches -
Fastener Length
Between 2.079 inches and 2.109 inches -
Head Style
Pan -
Head Diameter
Between 0.568 inches and 0.593 inches -
Head Height
Between 0.162 inches and 0.183 inches -
Grip Diameter
Between 0.3110 inches and 0.3120 inches -
Internal Drive Style
High-torque -
Thread Diameter
0.312 inches -
Grip Length
Between 1.615 inches and 1.635 inches -
Thready Qty Per Inch (tpi)
24 -
Min. Tensile Strength (psi)
180000 pounds per square inch -
Surface Finish
32.0 microinches threads -
Material
Iron alloy 660 -
Material Specification
Ams5731 assn standard single material response or ams5737 assn standard single material response -
Surface Treatment
Passivate -
Surface Treatment Specification
Qq-p-35 federal specification single treatment response -
Thread Series Designator
Unjf -
Specification Data
80205-nas1985 professional/industrial association standard
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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 5305-01-139-0848 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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NAS1985C26H | National Aerospace Standards |