NSN 5305-01-044-2248
High Torque Screw
Between 1.214 inches and 1.261 inches fastener length, flat countersunk head style, between 0.447 inches and 0.507 inches head diameter, grip diameter: between 0.2483 inches and 0.2492 inches .
Manufacturer part number HT8181F4-15 for national stock number 5305010442248.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-044-2248.
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MPN or Model
HT8181F4-15
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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 -
Unit Weight (Est.)
0.1 lb -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
Between 0.267 inches and 0.334 inches -
Fastener Length
Between 1.214 inches and 1.261 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.447 inches and 0.507 inches -
Grip Diameter
Between 0.2483 inches and 0.2492 inches -
Internal Drive Style
High-torque -
Thread Diameter
0.250 inches -
Grip Length
Between 0.927 inches and 0.947 inches -
Thready Qty Per Inch (tpi)
28 -
Min. Tensile Strength (psi)
220000 pounds per square inch -
Hardness Rating
46.0 rockwell c and 50.0 rockwell c -
Countersink Angle
100.0 degrees -
Surface Finish
32.0 microinches grip -
Material
Steel comp h11 -
Material Specification
Ams 6487 federal specification single material response -
Surface Treatment
Cadmium or cadmium and chromate -
Surface Treatment Specification
Nas 672 assn standard 1st treatment response or mil-c-8837 type 2 cl 2 military specification 2nd treatment response -
Thread Series Designator
Unjf -
Specification Data
26512-gb510n manufacturers 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.
![Mechanic Bill explains High Torque Screw](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 5305-01-044-2248 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
HT8181F4-15 | Alcoa Global Fasteners, Inc. |
BM19045-4-15A | Huck International, Inc. |
GB510N4A15 | Northrop Grumman Systems Corporation |
BM19045-4-15A | Huck Intl Inc |
SFH22D4A15 | Sps Technologies, Llc |
HT326-4A15 | Hi-shear Corporation |
SFH22D4A15 | Sps Technologies, Llc |
Stock Check
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