Part Number NAS1580A4T5 Close Tolerance Screw

SKU: 5305010583928
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NAS1580A4T5 Close Tolerance Screw Datasheet

National aerospace standards part number NAS1580A4T5
Thread Direction:
Thread Length:
Between 0.378 inches and 0.428 inches
Fastener Length:
Between 0.700 inches and 0.730 inches
Head Style:
Flat countersunk
Head Diameter:
Between 0.464 inches and 0.507 inches
Grip Diameter:
Between 0.2485 inches and 0.2495 inches
Internal Drive Style:
Offset cruciform (torque set)
Thread Diameter:
0.250 inches
Grip Length:
Between 0.302 inches and 0.322 inches
Thready Qty Per Inch (tpi):
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
36.0 rockwell c and 40.0 rockwell c
Countersink Angle:
100.0 degrees
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Specification Data:
80205-NAS1580 professional/industrial association standard
Manufacturer Cage:

Trade Information:
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Bolts and bolts and their nuts or washers exported in the same shipment

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