NSN 5305-01-631-5841
High Torque Screw
1.588 inches fastener length, flat countersunk head style, between 0.221 inches and 0.279 inches head diameter, grip diameter: between 0.136 inches and 0.137 inches .
Manufacturer part number NAS1151-21 for national stock number 5305016315841.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-631-5841.
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MPN or Model
NAS1151-21
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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
0.276 inches -
Fastener Length
1.588 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.221 inches and 0.279 inches -
Grip Diameter
Between 0.136 inches and 0.137 inches -
Internal Drive Style
Offset cruciform (torque set) -
End Application
F16 -
Thread Diameter
0.138 inches -
Grip Length
1.312 inches -
Thready Qty Per Inch (tpi)
32 -
Min. Tensile Strength (psi)
160000 pounds per square inch -
Countersink Angle
100.0 degrees -
Part Name Assigned By Controlling Agency
Screw machine flat head close tolerance -
Material
Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 -
Surface Treatment
Cadmium and chromate -
Thread Series Designator
Unjc
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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 5305-01-631-5841 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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NAS1151-21 | National Aerospace Standards |