NSN 5305-00-494-2439
High Torque Screw
Between 1.672 inches and 1.702 inches fastener length, flat countersunk head style, between 0.577 inches and 0.635 inches head diameter, grip diameter: between 0.3110 inches and 0.3120 inches .
Manufacturer part number NAS1155V21D for national stock number 5305004942439.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-00-494-2439.
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MPN or Model
NAS1155V21D
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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
Between 0.350 inches and 0.400 inches -
Fastener Length
Between 1.672 inches and 1.702 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.577 inches and 0.635 inches -
Grip Diameter
Between 0.3110 inches and 0.3120 inches -
Shank Unthreaded Hole Diameter
0.066 inches first hole and 0.086 inches first hole -
Internal Drive Style
Offset cruciform (torque set) -
Thread Diameter
0.312 inches -
Grip Length
Between 1.302 inches and 1.322 inches -
Thready Qty Per Inch (tpi)
24 -
Min. Tensile Strength (psi)
160000 pounds per square inch -
Countersink Angle
Between 99.0 degrees and 101.0 degrees -
Distance From Head Largest Bearing Surface To Shank Hole Center
1.543 inches first hole and 1.593 inches first hole -
Surface Finish
32.0 microinches threads -
Material
Titanium alloy -
Material Specification
Nas 621, composition 6al 4v assn standard single material 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 5305-00-494-2439 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
NAS1155V21D | National Aerospace Standards |
457-5527 | Nimikkeistokeskus Ncb Finland |