HT271A4-8

Screw

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Description:

Fastener Length: 63/64", Thread: 1/4-28, Thread Length: 1/2"

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HT271A4-8 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.442 inches minimum and 0.509 inches maximum
Fastener Length:
0.952 inches minimum and 0.999 inches maximum
Head Style:
Flat countersunk undercut
Head Diameter:
0.502 inches minimum and 0.507 inches maximum
Head Height:
0.071 inches minimum and 0.073 inches maximum
Grip Diameter:
0.2490 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
Countersink Angle:
99.5 degrees minimum and 100.5 degrees maximum
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Special Features:
Furnished with one o-ring seal
Material:
Titanium alloy overall
Material Specification:
Nas621 comp 6al-4v assn std single material response overall or ams4928 assn std single material response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Titanium
Length 63/64

Additional Information

SKU / Model: HT271A48
NSN: 5305-00-283-7455
FSC: Screws / 5305
Product Series: HT271A4
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 10 EA
Schedule B: 8108.90.3060
ECCN: EAR99
National Motor Freight: 136500, Metal Noi / Metal Alloys Noi
Download PDF Version
HT271A4-8_Military-Fasteners-com.pdf
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Excellent variety, quality, and service. And, small orders are no problem. Military Fasteners is a tinker's delight and a great resource. I also appreciate their using the USPS. So many companies ship UPS only and to Alaska the UPS price is ridiculous. Thank you.

5.0

I routinely use Military Fasteners and have them on our Approved Vendor List. They already understand traceability requirements and their website always seems up to date and accurate. Same day shipping is a big deal for us as well."

5.0

Military Fasteners provided the supplies needed to repair my prop. They had the exact items I needed, at a good price. My order was delivered in reasonable time, complete with instructions. The end result was a quality repair to get me back flyin again. Thank you! Steve

5.0

The order was complete and arrived by mail in short order. The staff who took my order was very helpful and answered my questions. Very pleased, thanks to military fasteners

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