BACB30LJ4U7

Bolt

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Description:

Fastener Length: 53/64", Thread: 1/4-28, Thread Length: 13/32"

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BACB30LJ4U7 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.364 inches minimum and 0.414 inches maximum
Fastener Length:
0.811 inches minimum and 0.841 inches maximum
Head Style:
Undercut hexagon
Head Height:
0.125 inches minimum and 0.140 inches maximum
Width Between Flats:
0.430 inches minimum and 0.439 inches maximum
Grip Diameter:
0.2490 inches minimum and 0.2495 inches maximum
Thread Diameter:
0.250 inches
Grip Length:
0.427 inches minimum and 0.447 inches maximum
Thready Qty Per Inch (tpi):
28
Surface Finish:
32.0 microinches bearing surface of head
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Material:
Iron alloy 660 overall
Surface Treatment:
Passivate overall
Thread Series Designator:
Unjf
Specification Data:
97928-bacb30lj manufacturers standard
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Iron
Length 53/64

Additional Information

SKU / Model: BACB30LJ4U7
NSN: 5306-01-040-4708
FSC: Bolts / 5306
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
BACB30LJ4U7_Military-Fasteners-com.pdf
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I've never received an incorrect order from ACS, even when dealing with small hardware such as nuts, washers, screws, etc. Shipment is always fast and with reasonable shipment prices for my needs. Even my smallest of orders is processed and ship quickly. I'm a long-time ACS customer and I expect I will be for a long time.

5.0

No improvements necessary. A flawless on-line ordering system with an on-time delivery.

5.0

Local GuideĀ·"Great customer service from Brittany. She is awesome. Good prices and parts are n stock. Thx Brit for helping with my parts needed on short notice."

5.0

Recently my avionics technician and I were installing a component in my aircraft and there were some critical fasteners missing from the manufactures package. This stopped the entire process. I called Military Fasteners after finding the parts on line, and Trisha answered the phone. I told her the situation and that I needed them ASAP. I found the parts gave her the part number and she confirmed they were in stock. This was about 430 in the afternoon just before closing. Trisha was kind and professional got the parts out the door that evening even though it was after the shipping cut off. Saved the day. I can tell you this entire company is represented by Trisha, anything they can do to help you out of a jamb they will absolutely go the extra mile and Trisha is the go to person. I am sure there are others there with her same attitude and professionalism. This is a great resource for all your fasteners needs.

5.0