LL500-4-4

Screw

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Description:

Fastener Length: 1/4", Thread: 4-40, Thread Length: 1/4"

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LL500-4-4 Datasheet Features and Specification

Thread Class:
2a
Thread Direction:
Right-hand
Thread Length:
0.200 inches minimum and 0.250 inches maximum
Fastener Length:
0.219 inches minimum and 0.250 inches maximum
Head Style:
Fillister
Head Diameter:
0.166 inches minimum and 0.183 inches maximum
Head Height:
0.072 inches minimum and 0.079 inches maximum
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.112 inches
Thready Qty Per Inch (tpi):
40
Min. Tensile Strength (psi):
60000 pounds per square inch
Part Name Assigned By Controlling Agency:
Screw, machine, fillister head, coarse thread
Screw Material:
Steel or steel comp 1010
Screw Material Specification:
Qq-s-630 fed spec 2nd material response or qq-s-631 fed spec 2nd material response or qq-s-634 fed spec 2nd material response
Screw Surface Treatment:
Cadmium
Screw Surface Treatment Specification:
Qq-p-416,ty 1,cl 3 fed spec single treatment response
Special Features:
With self-locking element
Thread Series Designator:
Unc
Quick Specs
Thread Size 4
Thread Qty 40
Material Steel
Length 1/4

Additional Information

SKU / Model: LL50044
NSN: 5305-01-518-6228
FSC: Screws / 5305
Product Series: LL500
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 15 EA
Schedule B: 7318.15.6080
ECCN: 9A991
Download PDF Version
LL500-4-4_Military-Fasteners-com.pdf
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More LL500 machine screws

LL500D6-7

Fastener Length: 7/16", Thread: 6-32, Thread Length: 7/16"

LL500A2-7

Fastener Length: 7/16", Thread: 2-56, Thread Length: 7/16"

LL500-6-8M

Fastener Length: 1/2", Thread: 6-32, Thread Length: 1/2"

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