Part Number NAS1218-5-21 Machine Screw
SKU: 5305010442222NAS1218521 Machine Screw Datasheet
National aerospace standards part number NAS1218-5-21
Thread Direction:
Right-hand
Thread Length:
Between 0.445 inches and 0.495 inches
Fastener Length:
Between 1.767 inches and 1.797 inches
Head Style:
Pan no. 2
Head Diameter:
Between 0.597 inches and 0.612 inches
Head Height:
Between 0.176 inches and 0.188 inches
Internal Drive Style:
High-torque
Thread Diameter:
0.312 inches
Thready Qty Per Inch (tpi):
24
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
Between 36.0 rockwell c and 40.0 rockwell c
Part Name Assigned By Controlling Agency:
Navy special project
Screw Material:
Steel comp E4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150
Screw Surface Treatment:
Cadmium
Screw Surface Treatment Specification:
QQ-P-416 type 1 cl 3 federal specification single treatment response
Specification Data:
80205-NAS1218 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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