NSN 5305-01-018-8929
High Torque Screw
Between 1.820 inches and 1.850 inches fastener length, flat countersunk head style, between 0.497 inches and 0.507 inches head diameter, grip diameter: between 0.2490 inches and 0.2495 inches .
Manufacturer part number ST3M680-4-23 for national stock number 5305010188929.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-018-8929.
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MPN or Model
ST3M680-4-23
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Schedule B
7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment) -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
0.397 inches -
Fastener Length
Between 1.820 inches and 1.850 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 1.428 inches and 1.448 inches -
Thready Qty Per Inch (tpi)
28 -
Countersink Angle
100.0 degrees -
Material
Stainless steel -
Surface Treatment
Passivate -
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 5305-01-018-8929 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
ST3M680-4-23 | Boeing Company, The |
HT4036-4-23 | Huck International, Inc. |
HT4036-4-23 | Hi-shear Corporation |
HT4036-4-23 | Sps Technologies, Llc |
HT4036-4-23 | Alcoa Global Fasteners, Inc. |
HT4036-4-23 | Lisi Aerospace Canada Corp |
HT4036-4-23 | Alcoa Fastening Systems |
HT4036-4-23 | Sps Technologies, Llc |
HT4036-4-23 | Satair A/s |
HT4036-4-23 | Huck Intl Inc |