Part Number NAS1578A4R14 Close Tolerance Screw
SKU: 5305011607567Product Features
Internal drive ribbed
NAS1578A4R14 Close Tolerance Screw Datasheet
National aerospace standards part number NAS1578A4R14
Thread Direction:
Right-hand
Thread Length:
Between 0.378 inches and 0.428 inches
Fastener Length:
Between 1.263 inches and 1.293 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:
Offset cruciform (torque set)
Thread Diameter:
0.250 inches
Grip Length:
Between 0.865 inches and 0.885 inches
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
36.0 rockwell c and 40.0 rockwell c
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Surface Treatment Specification:
QQ-P-416, type 2, cl 2 federal specification single treatment response
Specification Data:
80205-NAS1578 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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