BACB30NN4K19

Bolt

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Description:

Fastener Length: 1-39/64", Thread: 1/4-28, Thread Length: 7/16"

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BACB30NN4K19 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.425 inches nominal
Fastener Length:
1.5975 inches minimum and 1.6275 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.465 inches minimum and 0.510 inches maximum
Grip Diameter:
0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.250 inches
Grip Length:
1.1775 inches minimum and 1.1975 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
Special Features:
Identify w/black dye or paint on thread end
Material:
Titanium alloy overall
Material Specification:
Ams 4928 assn std single material response or ams 4967 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 1-5/8

Additional Information

SKU / Model: BACB30NN4K19
NSN: 5305-01-231-2211
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 8108.90.3060
ECCN: 9A991
National Motor Freight: 096640, Screws, Iron Or Steel
Download PDF Version
BACB30NN4K19_Military-Fasteners-com.pdf
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I have built an airplane with parts from Military Fasteners. In the last years I have only had one issue involving warranty problems and that was resolved by the factory. Good service and quality parts/availability are very good at Military Fasteners.

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I have been dealing with you folks for years as a corporation customer and personally. You are the industry standard on quality of product and service.

5.0

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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Great company to work with! Customer service TEAM is outstanding. Thank you, Trisha for helping...

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