HT4053-4-8A

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Description:

Fastener Length: 63/64", Thread: 1/4-28, Thread Length: 31/64"

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HT4053-4-8A Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.444 inches minimum and 0.494 inches maximum
Fastener Length:
0.954 inches minimum and 0.984 inches maximum
Head Style:
Oval countersunk
Head Diameter:
0.390 inches minimum and 0.395 inches maximum
Grip Diameter:
0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style:
High-torque
Thread Diameter:
0.250 inches
Grip Length:
0.490 inches minimum and 0.510 inches maximum
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
180000 pounds per square inch
Hardness Rating:
39.0 rockwell c minimum overall and 43.0 rockwell c maximum overall
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Material:
Steel comp 8740 overall
Material Specification:
Mil-s-6049 mil spec single material response overall
Surface Treatment:
Aluminum overall and chromate overall
Surface Treatment Specification:
Mil-c-83488 type 2 class 3 mil spec single treatment response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 63/64

Additional Information

SKU / Model: HT405348A
NSN: 5305-01-133-2195
FSC: Screws / 5305
Product Series: HT4053
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7318.23.0000
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
HT4053-4-8A_Military-Fasteners-com.pdf
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More HT4053 close tolerance screws

HT4053-4-5A

Fastener Length: 25/32", Thread: 1/4-28, Thread Length: 31/64"

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Customer Reviews

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Small order but all was in stock, sales rep was very friendly and made it a pleasure. Shipped and received quicker than expected.

5.0

I can say that Military Fasteners was able to deliver the part to me very quickly. I live in a very remote area in the Tennessee mountains and typically have to wait up to two weeks to receive deliveries. Sometimes, the delivery guys cannot find my house at all, and they have to leave my packages at the local general store. But with Military Fasteners, my packages always find my front door step and in great condition. This package arrived nearly a week earlier than expected, and that was over the New Years holiday! Great work, Military Fasteners, on your delivery service. Thanks!

4.0

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

I placed an order with Lindsey at Military Fasteners late afternoon, 3:15 to be exact and she was nice enough to expedite my order and made sure to get it shipped that day. Great company with great people.

5.0