Part Number NAS1580C4T28 Close Tolerance Screw

SKU: 5305012534437

Product Features

Internal drive ribbed

NAS1580C4T28 Close Tolerance Screw Datasheet

National aerospace standards part number NAS1580C4T28
Thread Direction:
Right-hand
Thread Length:
Between 0.378 inches and 0.428 inches
Fastener Length:
Between 2.138 inches and 2.168 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 1.740 inches and 1.760 inches
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
160000 pounds per square inch
Countersink Angle:
Between 99.0 degrees and 101.0 degrees
Surface Finish:
32.0 microinches bearing surface of head
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Material Specification:
Ams 5737 assn standard single material response
Surface Treatment Specification:
QQ-P-35 federal specification single treatment response
Specification Data:
80205-NAS1580 professional/industrial association standard
Manufacturer Cage:
80205
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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