1-321-802-5889
Email Us

NSN 5305-01-628-7407

High Torque Screw

About this product

Max two incomplete threads. Heat treat to 160-180ksi ftu. Replacement oversized repair bolt. Grip is 0.156 versized. Diameter is 0.2646 min to 0.2651 max..

Manufacturer part number NAS1581F4T9X for national stock number 5305016287407.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-628-7407.

  • MPN or Model

    NAS1581F4T9X

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.403 inches
  • Fastener Length
    0.9655 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.3504 inches and 0.3988 inches
  • Grip Diameter
    Between 0.2641 inches and 0.2651 inches
  • Internal Drive Style
    Offset cruciform (torque set)
  • End Application
    F16
  • Thread Diameter
    0.25 inches
  • Grip Length
    0.5625 inches
  • Thready Qty Per Inch (tpi)
    28
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Part Name Assigned By Controlling Agency
    Bolt, shear, 100 degrees flush reduced head, offset cruciform, 95 ksi fsu.
  • Material
    Steel comp 4140 or steel comp 4340 or steel comp 8740
  • Surface Treatment
    Cadmium
  • Thread Series Designator
    Unjf
More from these suppliers
Close Tolerance Screw

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

Pricing and Availability

Get a quote for 5305-01-628-7407 close tolerance screw
Quantity:
Your Email:
Your Name:
Company Name:
Optional reference:
Phone:
NSN 5305016287407

We do not share, sell, or distribute your information to any third party.
Privacy | Terms

All major credit cards accepted as well as gov. p-cards
Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1581F4T9X National Aerospace Standards
Stock Check
Availability of this NSN has not been updated recently. Submit the pricing and availbility form above to receive an up to date quote.