NAS1154-27
Close Tolerance Screw
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Description:
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flat head
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NAS1154-27 Datasheet Features and Specification
Countersink Angle:
Between 99 degrees and 101 degrees
Distance From Head Largest Bearing Surface To Shank Hole Center:
1.863 inches first hole and 1.903 inches first hole
Fastener Length:
Between 1.989 inches and 2.019 inches
Grip Diameter:
Between 0.2485 inches and 0.2495 inches
Grip Length:
Between 1.678 inches and 1.698 inches
Hardness Rating:
36.0 rockwell c and 40.0 rockwell c
Head Diameter:
Between 0.449 inches and 0.507 inches
Head Style:
Flat countersunk
Internal Drive Style:
Offset cruciform (torque set)
Material:
Steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150
Min. Tensile Strength (psi):
160000 pounds per square inch
Thread Diameter:
0.25 inches
Shank Unthreaded Hole Diameter:
0.076 inches first hole and 0.086 inches first hole
Specification Data:
80205-nas1154 professional/industrial association standard
Surface Finish:
32 microinches bearing surface of head
Surface Finish:
32.0 microinches threads
Surface Treatment:
Cadmium and chromate
Surface Treatment Specification:
Cl2 federal specification single treatment response ty2 qq-p-416
Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
Between 0.291 inches and 0.341 inches
Thread Qty Per Inch (tpi):
28
Thread Series Designator:
Unjf (fine thread with external controlled root radius)
Quick Specs
| Thread Qty | 28 |
| Thread Series | UNJF |
| Thread Class | 3A |
| Material | Steel |
Additional Information
| SKU / Model: | NAS115427 |
| NSN: | 5305-00-775-6481 |
| FSC: | Screws / 5305 |
| Product Series: | NAS1154 |
| Pack Weight (Approx.) | 0.572 lb |
| Minimum Qty (MOQ): | 20 |
| ECCN: | EAR99 |
| National Motor Freight: | 093486, Bolts,nuts Or Screws, Noi (sub 3) |
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Download PDF Version NAS1154-27_Military-Fasteners-com.pdf |
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Product code NAS1154-27
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