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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