Part Number NAS1221R08-4 Machine Screw
SKU: 5305013907081NAS1221R084 Machine Screw Datasheet
National aerospace standards part number NAS1221R08-4
Thread Direction:
Right-hand
Thread Length:
0.339 inches
Fastener Length:
Between 0.574 inches and 0.604 inches
Head Style:
Flat countersunk
Head Diameter:
Between 0.294 inches and 0.332 inches
Internal Drive Style:
Torque set
Thread Diameter:
0.164 inches
Thready Qty Per Inch (tpi):
32
Min. Tensile Strength (psi):
160000 pounds per square inch
Countersink Angle:
Between 99.0 degrees and 101.0 degrees
Part Name Assigned By Controlling Agency:
Navy special project
Screw Material:
Steel comp 4140 or steel comp 4340 or steel comp 8740
Screw Material Specification:
QQ-P-416, type 2, cl 2 federal specification single material response
Screw Surface Treatment:
Cadmium
Screw Surface Treatment Specification:
QQ-P-416, ty i, cl 3 federal specification single treatment response
Specification Data:
80205-NAS1221 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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