NAS1790V4R18A

Bolt

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Description:

Fastener Length: 1/2", Thread: 1/4-28, Thread Length: 27/64"

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NAS1790V4R18A Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.425 inches nominal
Fastener Length:
0.485 inches minimum and 0.515 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.464 inches minimum and 0.506 inches maximum
Grip Diameter:
0.249 nominal mils and 0.250 nominal centimeters
Internal Drive Style:
Offset cruciform (torque set)
Thread Diameter:
0.250 inches
Grip Length:
0.500 nominal inches
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
Part Name Assigned By Controlling Agency:
Bolt, 100 degree flush head, 160,000 psi uts
Material:
Titanium alloy uns r56400 overall
Material Specification:
Ams4928 or ams4967, 6al-4v assn std single material response overall
Surface Treatment:
Aluminum overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Titanium
Length 1/2

Additional Information

SKU / Model: NAS1790V4R18A
NSN: 5305-01-576-3509
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1 EA
Schedule B: 8108.90.3060
ECCN: EAR99
Download PDF Version
NAS1790V4R18A_Military-Fasteners-com.pdf
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Another good experience with Military Fasteners, and our Sales Rep, Dan Hunter. We needed hardware for an older aircraft model, and Dan's expertise was exceptional. He quickly identified fasteners, even for parts with unclear descriptions, and provided invaluable technical assistance. The supporting data was spot-on, verified by our technicians. Despite finding slightly lower prices elsewhere, the unmatched service and expertise from Military Fasteners, particularly Dan, make them our preferred choice. Our order was delivered ahead of schedule. Highly recommend MilFast for top-notch service and technical support!

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