NSN 5305-01-266-8584
High Torque Screw
Nthd hole in top of head hole 0.300 in. Min 0.345 in. Max dp; counterbore 0.145 in min lg,0.150 in. Max lg; 0.060 in. Wide in. Wide in unthreaded shank; distant from top of head to beginning of injection port 0.210.
Manufacturer part number HT4075V4-12-21 for national stock number 5305012668584.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-266-8584.
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MPN or Model
HT4075V4-12-21
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Schedule B
8109.90.0000 (Zirconium and articles thereof nesoi) -
NMF (National Motor Freight)
136500 - Metal NOI/metal Alloys NOI -
Unit Weight (Est.)
0.1 lb -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
Between 0.444 inches and 0.494 inches -
Fastener Length
Between 1.204 inches and 1.234 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.497 inches and 0.507 inches -
Grip Diameter
Between 0.2490 inches and 0.2495 inches -
Internal Drive Style
High-torque -
Thread Diameter
0.250 inches -
Grip Length
Between 0.740 inches and 0.760 inches -
Thready Qty Per Inch (tpi)
28 -
Countersink Angle
Between 99.0 degrees and 101.0 degrees -
Material
Titanium alloy uns r56400 -
Material Specification
Ams 4928 assn standard 1st material response and ams 4967 assn standard 2nd 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 5305-01-266-8584 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
HT4075V4-12-21 | Arconic Global Fasteners & Rings, |
HT4075V4-12-21 | Hi-shear Corporation |
HT4075V4-12-21 | Lisi Aerospace Canada Corp |
3M1034V4-12-21 | Boeing Company, The |
11839V4-12-21 | Reid Products Inc. |
3M1034V4-12-21 | Alcoa Global Fasteners, Inc. |
HT4075V4-12-21 | Sps Technologies, Llc |
HT4075V4-12-21 | Alcoa Global Fasteners, Inc. |