NSN 5305-01-260-0439
High Torque Screw
Between 1.613 inches and 1.643 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 HT4049-4-21 for national stock number 5305012600439.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-260-0439.
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MPN or Model
HT4049-4-21
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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)
093486 - Bolts, Nuts Or Screws, NOI (sub 3) -
Unit Weight (Est.)
0.1 lb -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
Between 0.291 inches and 0.341 inches -
Fastener Length
Between 1.613 inches and 1.643 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 1.302 inches and 1.322 inches -
Thready Qty Per Inch (tpi)
28 -
Min. Tensile Strength (psi)
125000 pounds per square inch -
Countersink Angle
Between 99.0 degrees and 101.0 degrees -
Material
Steel comp xm-13 -
Material Specification
Ams5629 assn standard single material response -
Surface Treatment
Passivate -
Surface Treatment Specification
Qq-p-35 federal specification single treatment 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 5305-01-260-0439 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
HT4049-4-21 | Arconic Global Fasteners & Rings, |
HT4049-4-21 | Huck International, Inc. |
ST3M714-4-21 | Fastener Innovation Technology, Inc. |
WC4049-4-21 | West Coast Aerospace Inc |
ST3M714-4-21 | Boeing Company, The |
HT4049-4-21 | Hi-shear Corporation |
HT4049-4-21 | Sps Technologies Ltd Tj Brooks |
HT4049-4-21 | Lisi Aerospace Canada Corp |
HT4049-4-21 | Huck Intl Inc |
ST3M714-4-21 | Alcoa Global Fasteners, Inc. |
HT4049-4-21 | Sps Technologies, Llc |
HT4049-4-21 | Alcoa Global Fasteners, Inc. |