BACB30LU8-54

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Description:

Fastener Length: 4-1/8", Thread: 1/2-20, Thread Length: 47/64"

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BACB30LU8-54 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.735 inches nominal
Fastener Length:
4.0950 inches minimum and 4.1250 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.927 inches minimum and 1.019 inches maximum
Grip Diameter:
0.4985 inches minimum and 0.4995 inches maximum
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.5000 inches
Grip Length:
3.3650 inches minimum and 3.3850 inches maximum
Thready Qty Per Inch (tpi):
20
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Material:
Steel comp e4340 overall or steel comp 8740 overall
Material Specification:
Mil-s-5000 mil spec 1st material response overall or mil-s-6049 mil spec 2nd material response overall or ams6322 assn std 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:
Unjf
Quick Specs
Thread Size 1/2
Thread Qty 20
Material Steel
Length 4-1/8

Additional Information

SKU / Model: BACB30LU854
NSN: 5305-01-435-5829
FSC: Screws / 5305
Product Series: BACB30LU8
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
BACB30LU8-54_Military-Fasteners-com.pdf
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I called the customer service line just before Air Venture at Oshkosh to find out if they would have the parts I needed at their booth. The service rep on the phone was very helpful and was able to check the inventory that was taken to Oshkosh.I was told that the parts would not be available but could be shipped from the warehouse without delay. I ordered a full set of intake seals for a Continental 085 on the spot and they arrived in a few days. I am very happy with the service provided, and will be ordering more parts soon! Thank you Larry

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