120000-4-6

Screw

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Description:

Fastener Length: 1-15/64", Thread: 1/4-28, Head Width: 9/64", Thread Length: 45/64"

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120000-4-6 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.567 inches minimum and 0.706 inches maximum
Fastener Length:
1.237 inches nominal
Head Style:
Oval countersunk
Head Diameter:
0.430 inches minimum and 0.440 inches maximum
Internal Drive Style:
Hexagon
Thread Diameter:
0.250 inches
Width Across Flats:
0.141 inches minimum and 0.143 inches maximum
Thready Qty Per Inch (tpi):
28
Countersink Angle:
100.0 degrees nominal
Special Features:
Furnished with one spring,thread to be double lead.
Material:
Steel comp 4140 overall or steel comp 8740 overall
Material Specification:
Mil-s-5626 mil spec 1st material response overall or mil-s-6049 mil spec 2nd material response overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416 type 2 class 2 fed spec single treatment response overall
Thread Series Designator:
Unf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 1-15/64

Additional Information

SKU / Model: 12000046
NSN: 5305-01-149-1933
FSC: Screws / 5305
Product Series: 120000
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7318.15.8085
ECCN: 9A991.
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
120000-4-6_Military-Fasteners-com.pdf
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I worked with Isaac Beltran and he did a great job and rare to find.....someone with attention to detail.

5.0

Ryan was extremely helpful and is typical of the type of customer service I am accustomed to when I ask for help at Military Fasteners.

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!

5.0

I have been restoring a 1946 Globe Swift over the past year and have relied heavily on Military Fasteners to supply both AN hardware and some aircraft specific parts. The service has been excellent, the expertise in answering some of my questions invaluable. Military Fasteners is my go-to for all my aircraft needs. Thank you all very much.

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