NSN 5305-01-517-1403
High Torque Screw
Between 0.570 inches and 0.609 inches fastener length, oval countersunk head style, between 0.3898 inches and 0.3948 inches head diameter, grip diameter: between 0.2490 inches and 0.2495 inches .
Manufacturer part number ST3M557-4-2 for national stock number 5305015171403.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-517-1403.
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MPN or Model
ST3M557-4-2
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Schedule B
7508.90.0000 (Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)) -
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
0.469 inches -
Fastener Length
Between 0.570 inches and 0.609 inches -
Head Style
Oval countersunk -
Head Diameter
Between 0.3898 inches and 0.3948 inches -
Grip Diameter
Between 0.2490 inches and 0.2495 inches -
Internal Drive Style
High-torque -
End Application
Fuselage -
Thread Diameter
0.250 inches -
Grip Length
Between 0.115 inches and 0.135 inches -
Thready Qty Per Inch (tpi)
28 -
Countersink Angle
Between 99.0 degrees and 101.0 degrees -
Material
Nickel alloy 718 -
Material Specification
Ams 5662 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.
![Mechanic Bill explains High Torque Screw](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 5305-01-517-1403 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
ST3M557-4-2 | Boeing Company, The |
HT4027-4-2 | Arconic Global Fasteners & Rings, |
HT4027-4-2 | Hi-shear Corporation |
HT4027-4-2 | Sps Technologies, Llc |
HT4027-4-2 | Sps Technologies, Llc |
ST3M557-4-2 | Fastener Innovation Technology, Inc. |
WC4027-4-2 | West Coast Aerospace Inc |
HT4027-4-2 | Lisi Aerospace Canada Corp |
HT4027-4-2 | Sps Technologies Inc |
ST3M557 | Boeing Company, The |
ST3M557-4-2 | Twist Tite Mfg, Inc |
Stock Check
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