HT4049-4-8

Screw

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Description:

Fastener Length: 53/64", Thread: 1/4-28, Thread Length: 21/64"

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HT4049-4-8 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.291 inches minimum and 0.341 inches maximum
Fastener Length:
0.801 inches minimum and 0.831 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.497 inches minimum and 0.507 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:
99.0 degrees minimum and 101.0 degrees maximum
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Material:
Steel comp xm-13 overall
Material Specification:
Ams 5629 assn std single material response overall
Surface Treatment:
Passivate overall
Surface Treatment Specification:
Qq-p-35 fed spec single treatment response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 53/64

Additional Information

SKU / Model: HT404948
NSN: 5305-01-146-7292
FSC: Screws / 5305
Product Series: HT4049
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7318.15.6080
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
HT4049-4-8_Military-Fasteners-com.pdf
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More HT4049 machine screws

HT4049-4-5

Fastener Length: 41/64", Thread: 1/4-28, Thread Length: 21/64"

HT4049-4-10

Fastener Length: 61/64", Thread: 1/4-28, Thread Length: 21/64"

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