NAS1581K4R12

Bolt

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Description:

Fastener Length: 1-5/32", Thread: 1/4-28, Thread Length: 25/64"

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NAS1581K4R12 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.332 inches minimum and 0.403 inches maximum
Fastener Length:
1.143 inches minimum and 1.163 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.350 inches minimum and 0.399 inches maximum
Grip Diameter:
0.2490 inches minimum and 0.2495 inches maximum
Internal Drive Style:
Offset cruciform (torque set)
Thread Diameter:
0.250 inches
Grip Length:
0.740 inches minimum and 0.760 inches maximum
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
160000 pounds per square inch
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Special Features:
Internal drive ribbed
Material:
Titanium alloy overall
Material Specification:
Ams 4967 comp 6al-4v assn std single material response overall
Thread Series Designator:
Unjf
Specification Data:
80205-nas1581 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Titanium
Length 1-5/32

Additional Information

SKU / Model: NAS1581K4R12
NSN: 5305-01-174-2897
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1 EA
Schedule B: 7318.15.8085
ECCN: 9A991
National Motor Freight: 136500, Metal Noi / Metal Alloys Noi
Download PDF Version
NAS1581K4R12_Military-Fasteners-com.pdf
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