NSN 5305-01-626-0694
High Torque Screw
2.3435 inches fastener length, flat countersunk head style, between 0.612 inches and 0.672 inches head diameter, grip diameter: between 0.4365 inches and 0.4370 inches .
Manufacturer part number ST3M557-7-27 for national stock number 5305016260694.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-626-0694.
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MPN or Model
ST3M557-7-27
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Schedule B
7508.90.0000 (Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)) -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
0.656 inches -
Fastener Length
2.3435 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.612 inches and 0.672 inches -
Grip Diameter
Between 0.4365 inches and 0.4370 inches -
Internal Drive Style
High-torque -
End Application
F-15sa -
Thread Diameter
0.4375 inches -
Grip Length
1.6875 inches -
Thready Qty Per Inch (tpi)
20 -
Min. Tensile Strength (psi)
125000 pounds per square inch -
Countersink Angle
Between 99.0 degrees and 101.0 degrees -
Material
Nickel alloy 718 -
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 5305-01-626-0694 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
ST3M557-7-27 | Valley-todeco, Inc. |
ST3M557-7-27 | Boeing Company, The |
HT4027-7-27 | Sps Technologies, Llc |
11923-7-27 | Reid Products Inc. |
WC4027-7-27 | West Coast Aerospace Inc |