NSN 5305-01-603-8744
High Torque Screw
Between 1.138 inches and 1.168 inches fastener length, flat countersunk head style, between 0.3504 inches and 0.3988 inches head diameter, grip diameter: between 0.2485 inches and 0.2495 inches .
Manufacturer part number NAS1581C4T12 for national stock number 5305016038744.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-603-8744.
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MPN or Model
NAS1581C4T12
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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)
096640 - Screws, Iron Or Steel -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
0.403 inches -
Fastener Length
Between 1.138 inches and 1.168 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.3504 inches and 0.3988 inches -
Grip Diameter
Between 0.2485 inches and 0.2495 inches -
Internal Drive Style
Offset cruciform (torque set) -
Thread Diameter
0.250 inches -
Grip Length
Between 0.74 inches and 0.76 inches -
Thready Qty Per Inch (tpi)
28 -
Min. Tensile Strength (psi)
3700 pounds per square inch -
Countersink Angle
Between 99.0 degrees and 101.0 degrees -
Part Name Assigned By Controlling Agency
Bolt, shear, 100 degrees flush reduced head, offset cruciform, offset cruciform-ribbed & dt slot, 95 ksi fsu -
Material
Stainless steel -
Material Specification
Cres 286 conform to ams5731, ams5732, ams5737 or ams5853 national std/spec single material response -
Surface Treatment
Passivate -
Surface Treatment Specification
Passivate iaw ams2700 method 1, type 2 or 8, class 1 national std/spec 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 5305-01-603-8744 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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NAS1581C4T12 | National Aerospace Standards |