NSN 5305-01-421-2920
High Torque Screw
Between 0.472 inches and 0.502 inches fastener length, pan no. 2 head style, between 0.360 inches and 0.374 inches head diameter, head height: between 0.115 inches and 0.125 inches .
Manufacturer part number NAS1578C3R2P for national stock number 5305014212920.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-421-2920.
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MPN or Model
NAS1578C3R2P
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Schedule B
7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment) -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
0.363 inches -
Fastener Length
Between 0.472 inches and 0.502 inches -
Head Style
Pan no. 2 -
Head Diameter
Between 0.360 inches and 0.374 inches -
Head Height
Between 0.115 inches and 0.125 inches -
Grip Diameter
Between 0.1885 inches and 0.1895 inches -
Internal Drive Style
Offset cruciform (torque set) -
Thread Diameter
0.190 inches -
Grip Length
Between 0.115 inches and 0.135 inches -
Thready Qty Per Inch (tpi)
32 -
Min. Tensile Strength (psi)
160000 pounds per square inch -
Material
Iron alloy 660 -
Material Specification
Ams 5731 assn standard single material response or ams 5732 assn standard single material response or ams 5737 assn standard single material response -
Surface Treatment
Cadmium and chromate -
Surface Treatment Specification
Qq-p-416, type 2, class 2 federal specification all treatment responses -
Thread Series Designator
Unjf -
Specification Data
80205-nas1578 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 5305-01-421-2920 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
NAS1578C3R2P | National Aerospace Standards |
NAS1578C3R2P | National Aerospace Standards |
NAS1578C3R2P | National Aerospace Standards |
NAS1578C3R2P | National Aerospace Standards |
NAS1578C3R2P | National Aerospace Standards |
NAS1578C3R2P | National Aerospace Standards |