HT4056-4-8A

Screw

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Description:

Fastener Length: 15/16", Thread: 1/4-28, Thread Length: 7/16"

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HT4056-4-8A Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.401 inches minimum and 0.451 inches maximum
Fastener Length:
0.911 inches minimum and 0.941 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.456 inches minimum and 0.508 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
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Material:
Titanium alloy overall
Material Specification:
Nas621 assn std single material response overall
Surface Treatment:
Aluminum overall
Surface Treatment Specification:
Ps13143,ty 2,cl 3 fscm 76301 mfr ref single treatment response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Titanium
Length 15/16

Additional Information

SKU / Model: HT405648A
NSN: 5305-01-130-9017
FSC: Screws / 5305
Product Series: HT4056
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 8108.90.3060
ECCN: 9A991
National Motor Freight: 136500, Metal Noi / Metal Alloys Noi
Download PDF Version
HT4056-4-8A_Military-Fasteners-com.pdf
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