NSN 5305-00-801-7103
High Torque Screw
Between 1.573 inches and 1.620 inches fastener length, modified pan head style, between 0.361 inches and 0.381 inches head diameter, head height: between 0.103 inches and 0.118 inches .
Manufacturer part number 51B221-21H for national stock number 5305008017103.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-00-801-7103.
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MPN or Model
51B221-21H
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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)
093486 - Bolts, Nuts Or Screws, NOI (sub 3) -
Unit Weight (Est.)
0.1 lb -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
0.276 inches -
Fastener Length
Between 1.573 inches and 1.620 inches -
Head Style
Modified pan -
Head Diameter
Between 0.361 inches and 0.381 inches -
Head Height
Between 0.103 inches and 0.118 inches -
Grip Diameter
Between 0.1885 inches and 0.1895 inches -
Shank Unthreaded Hole Diameter
0.070 inches first hole -
Internal Drive Style
Offset cruciform (torque set) -
Thread Diameter
0.190 inches -
Grip Length
Between 1.298 inches and 1.328 inches -
Thready Qty Per Inch (tpi)
32 -
Min. Tensile Strength (psi)
180000 pounds per square inch -
Distance From Head Largest Bearing Surface To Shank Hole Center
1.456 inches first hole and 1.503 inches first hole -
Surface Finish
32.0 microinches grip -
Material
Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 -
Material Specification
Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response -
Surface Treatment
Cadmium and chromate -
Surface Treatment Specification
Qq-p-416, type 2, class 3 federal specification single treatment response -
Thread Series Designator
Unc
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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 5305-00-801-7103 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
51B221-21H | Arconic Global Fasteners & Rings, |
51B221-21H | Northrop Grumman Technical Services, |
51B221-21H | Sps Technologies, Llc |
51B221-21H | Huck International, Inc. |
51B221-21H | Sps Technologies, Llc |
51B221-21H | Hi-shear Corporation |
51B221-21H | Sps Technologies, Llc |
51B221-21H | Lisi Aerospace Canada Corp |
51B221-21H | Northrop Grumman Systems Corporation |
51B221-21H | Northrop Grumman Systems Corporation |