Part Number NAS1581F3H4 Close Tolerance Screw
SKU: 5305000386682NAS1581F3H4 Close Tolerance Screw Datasheet
National aerospace standards part number NAS1581F3H4
Thread Direction:
Right-hand
Thread Length:
Between 0.338 inches and 0.388 inches
Fastener Length:
Between 0.598 inches and 0.628 inches
Head Style:
Flat countersunk
Head Diameter:
0.258 inches
Grip Diameter:
Between 0.1885 inches and 0.1895 inches
Internal Drive Style:
High-torque
Thread Diameter:
0.190 inches
Grip Length:
Between 0.240 inches and 0.260 inches
Thready Qty Per Inch (tpi):
32
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
36.0 rockwell c and 40.0 rockwell c
Countersink Angle:
Between 99.0 degrees and 101.0 degrees
Surface Finish:
32.0 microinches
Material Specification:
MIL-S-5626 military specification 1ST material response or MIL-S-5000 military specification 2ND material response or MIL-S-8503 military specification 3RD material response or MIL-S-6098 military specification 4TH material response or MIL-S-6049 military specification 5TH material response
Surface Treatment Specification:
QQ-P-416, type 2 class 3 federal specification all treatment responses
Specification Data:
80205-NAS1581 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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