ST3M506-4-8-1

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Description:

Fastener Length: 21/32", Thread: 1/4-28, Thread Length: 27/64"

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ST3M506-4-8-1 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.372 inches minimum and 0.422 inches maximum
Fastener Length:
0.632 inches minimum and 0.662 inches maximum
Head Style:
Oval countersunk
Head Diameter:
0.421 inches minimum and 0.426 inches maximum
Shoulder Diameter:
0.2802 inches minimum first shoulder and 0.2807 inches maximum first shoulder
Shoulder Length:
0.176 inches minimum first shoulder and 0.204 inches maximum first shoulder
Internal Drive Style:
High-torque
Thread Diameter:
0.250 inches
Thready Qty Per Inch (tpi):
28
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Shoulder Shape:
Round first shoulder
Special Features:
Socket drive recess in thread end 0.0947 in. min and 0.0967 in. max width across flats
Material:
Steel comp xm-13 overall
Material Specification:
Ams5629 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 21/32

Additional Information

SKU / Model: ST3M506481
NSN: 5305-01-045-3030
FSC: Screws / 5305
Product Series: ST3M506
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1 EA
Schedule B: 7318.15.6080
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
ST3M506-4-8-1_Military-Fasteners-com.pdf
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