Part Number NAS1578V4R8 Close Tolerance Screw
SKU: 5305011595733NAS1578V4R8 Close Tolerance Screw Datasheet
National aerospace standards part number NAS1578V4R8
Thread Direction:
Right-hand
Thread Length:
Between 0.378 inches and 0.428 inches
Fastener Length:
Between 0.888 inches and 0.918 inches
Head Style:
Pan no. 2
Head Diameter:
Between 0.477 inches and 0.492 inches
Head Height:
Between 0.140 inches and 0.150 inches
Grip Diameter:
Between 0.2485 inches and 0.2495 inches
Internal Drive Style:
Torque-set ribbed
Thread Diameter:
0.250 inches
Grip Length:
Between 0.490 inches and 0.510 inches
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
160000 pounds per square inch
Surface Finish:
32.0 microinches bearing surface of head
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Material Specification:
Ams 4967 assn standard single material response
Specification Data:
80205-NAS1578 professional/industrial association standard
Manufacturer Cage:
80205
Trade Information:
- Schedule B: 8109900000
- SITC: 69987
- End Use: Finished metal shapes
- NAICS: 331491
- USDA: 1
Zirconium and articles thereof nesoi
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