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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Local Guide·"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."

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I always receive my shipments from Military Fasteners quickly without having to follow up and track down shipments. West Coast shipments arrive usually the next day via UPS ground, making it an effective choice. Thank you for excellent service.

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jeremy was a pleasure to work with, informative and knowledgeable about the products. helped me with what i needed to know and how to order it. great customer service.

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Trisha Hawkins over at Military Fasteners was friendly, speedy and very helpful for me as a buyer!

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