NSN 5305-00-283-7505
High Torque Screw
Between 1.694 inches and 1.740 inches fastener length, flat countersunk head style, between 0.497 inches and 0.507 inches head diameter, grip diameter: between 0.2797 inches and 0.2807 inches .
Manufacturer part number HS2623-4Z21 for national stock number 5305002837505.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-00-283-7505.
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MPN or Model
HS2623-4Z21
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Schedule B
7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment) -
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
Between 0.372 inches and 0.438 inches -
Fastener Length
Between 1.694 inches and 1.740 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.497 inches and 0.507 inches -
Grip Diameter
Between 0.2797 inches and 0.2807 inches -
Internal Drive Style
High-torque -
Thread Diameter
0.250 inches -
Grip Length
Between 1.302 inches and 1.322 inches -
Thready Qty Per Inch (tpi)
28 -
Countersink Angle
100.0 degrees -
Material
Steel -
Material Specification
23-105 fscm 76301 mfr ref single material response -
Surface Treatment
Cadmium -
Surface Treatment Specification
Ps 13145 fscm 76301 mfr ref single treatment response -
Thread Series Designator
Unjf -
Specification Data
76301-st3-547 manufacturers standard
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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 5305-00-283-7505 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
HS2623-4Z21 | Huck International, Inc. |
HT308-4-21 | Hi-shear Corporation |
HT308-4-21 | Lisi Aerospace Canada Corp |
66904H4-21 | Sps Technologies, Llc |
ST3M547-4-21 | Boeing Company, The |
HS2623-4Z21 | Huck Intl Inc |
66904H4-21 | Sps Technologies Inc |
Stock Check
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