NSN 5305-01-338-4037
High Torque Screw
Between 0.496 inches and 0.526 inches fastener length, pan head style, between 0.357 inches and 0.373 inches head diameter, head height: between 0.122 inches and 0.133 inches .
Manufacturer part number NAS7903A3 for national stock number 5305013384037.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-338-4037.
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MPN or Model
NAS7903A3
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Schedule B
8109.90.0000 (Zirconium and articles thereof nesoi) -
NMF (National Motor Freight)
136500 - Metal NOI/metal Alloys NOI -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
0.323 inches -
Fastener Length
Between 0.496 inches and 0.526 inches -
Head Style
Pan -
Head Diameter
Between 0.357 inches and 0.373 inches -
Head Height
Between 0.122 inches and 0.133 inches -
Grip Diameter
Between 0.1885 inches and 0.1895 inches -
Internal Drive Style
Cross recess type 1 -
Thread Diameter
0.190 inches -
Grip Length
Between 0.178 inches and 0.188 inches -
Thready Qty Per Inch (tpi)
32 -
Min. Tensile Strength (psi)
160000 pounds per square inch -
Material
Titanium alloy uns r56400 -
Material Specification
Ams4928 assn standard single material response or ams4967 assn standard single material response -
Surface Treatment
Aluminum -
Surface Treatment Specification
Nas4006 assn standard single treatment response -
Thread Series Designator
Unjf -
Specification Data
80205-nas7903 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 5305-01-338-4037 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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NAS7903A3 | National Aerospace Standards |