1-321-802-5889
Email Us

NSN 5305-01-477-5618

High Torque Screw

About this product

Flat countersunk undercut head style, between 0.502 inches and 0.507 inches head diameter, between 0.071 inches and 0.073 inches head height, internal drive style: high-torque.

Manufacturer part number HT4020-4-14A for national stock number 5305014775618.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-477-5618.

  • MPN or Model

    HT4020-4-14A

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    186620 - Tools, NOI Hand Other Than Power
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.443 inches and 0.510 inches
  • Head Style
    Flat countersunk undercut
  • Head Diameter
    Between 0.502 inches and 0.507 inches
  • Head Height
    Between 0.071 inches and 0.073 inches
  • Internal Drive Style
    High-torque
  • End Application
    Fighter aircraft-first (f18 e/f)
  • Thread Diameter
    0.250 inches
  • Thready Qty Per Inch (tpi)
    28
  • Criticality Code Justification
    Agav
  • Part Name Assigned By Controlling Agency
    Hi-torque bolt, 100 degree flush sealing head close tolerance
  • Material
    Steel comp xm-13
  • Material Specification
    Ams 5629 assn standard single material response
  • Surface Treatment
    Passivate
  • 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 5305-01-477-5618 close tolerance screw
Quantity:
Your Email:
Your Name:
Company Name:
Optional reference:
Phone:
NSN 5305014775618

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
HT4020-4-14A Hi-shear Corporation
HT4020-4-14A Lisi Aerospace Canada Corp
ST3M652C4-14A Boeing Company, The
11925C4-14A Reid Products Inc.
HT4020-4-14A Sps Technologies Inc
ST3M652C4-14A Valley-todeco, Inc.
HT4020-4-14A Sps Technologies, Llc
HT4020-4-14A Arconic Global Fasteners & Rings,
ST3M652C4-14A Heartland Precision Fasteners, Inc.
HT4020-4-14A Huck International, Inc.
HT4020-4-14A Sps Technologies, Llc
HT4020-4-14A Sps Technologies, Llc
ST3M652C4-14A Fastener Innovation Technology, Inc.
HT4020-4-14A Sps Technologies, Llc
HT4020-4-14A Alcoa Global Fasteners, Inc.
HT4020-4-14A Sps Technologies Ltd Tj Brooks
ST3M652C4-14A Houston Precision Fasteners I, Lp
WC4020-4-14A West Coast Aerospace Inc
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.