1-321-802-5889
Email Us

NSN 5305-01-440-4970

High Torque Screw

About this product

Between 1.298 inches and 1.328 inches fastener length, flat countersunk head style, between 0.429 inches and 0.479 inches head diameter, grip diameter: between 0.3110 inches and 0.3120 inches .

Manufacturer part number NAS1581C5R13 for national stock number 5305014404970.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-440-4970.

  • MPN or Model

    NAS1581C5R13

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.501 inches
  • Fastener Length
    Between 1.298 inches and 1.328 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.429 inches and 0.479 inches
  • Grip Diameter
    Between 0.3110 inches and 0.3120 inches
  • Internal Drive Style
    Torque-set ribbed
  • Thread Diameter
    0.312 inches
  • Grip Length
    Between 0.802 inches and 0.822 inches
  • Thready Qty Per Inch (tpi)
    24
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Material
    Iron alloy 660
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response
  • Thread Series Designator
    Unjf
  • Specification Data
    80205-nas1581 professional/industrial association standard
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 5305-01-440-4970 close tolerance screw
Quantity:
Your Email:
Your Name:
Company Name:
Optional reference:
Phone:
NSN 5305014404970

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
NAS1581C5R13 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.