MS51966-66

Military Standard Machine Screw

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Description:

Fastener Length: 7/8", Thread: 1/4-28, Head Width: 1/8", Thread Length: 7/8", setscrew

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MS51966-66 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.860 inches minimum and 0.890 inches maximum
Fastener Length:
0.860 inches minimum and 0.890 inches maximum
Head Style:
Headless (setscrew)
Point Style:
Flat
Internal Drive Style:
Hexagon
Thread Diameter:
0.250 inches
Width Across Flats:
0.125 inches nominal
Thready Qty Per Inch (tpi):
28
Hardness Rating:
45.0 rockwell c minimum overall and 53.0 rockwell c maximum overall
Material:
Steel comp 4032 overall or steel comp 4037 overall or steel comp 4137 overall or steel comp 4140 overall or steel comp 8630 overall or steel comp 8740 overall
Material Specification:
66 fed std all material responses overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,type 2,class 3 fed spec all treatment responses overall
Thread Series Designator:
Unf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 7/8

Additional Information

SKU / Model: MS5196666
NSN: 5305-00-728-6323
FSC: Screws / 5305
Product Series: MS51966
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 25
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS51966-66_Military-Fasteners-com.pdf
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More MS51966 machine screws

MS51966-87

$5.10 EA, Fastener Length: 3/8in., Thread: 3/8-24, Head Width: 3/16in., Thread Length: 3/8in.

MS51966-80

Fastener Length: 1-1/64", Thread: 5/16-24, Head Width: 5/32", Thread Length: 1-1/64"

MS51966-67

Fastener Length: 0-1/1", Thread: 1/4-28, Head Width: 1/8", Thread Length: 0-1/1"

MS51966-147

Fastener Length: 1/2", Thread: 3/8-24, Head Width: 3/16", Thread Length: 1/2"

MS51966-131 L.L.

Screw

MS51966-123

Fastener Length: 5/16", Thread: 1/4-28, Head Width: 1/8", Thread Length: 5/16"

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I recently requested a quote and placed an order with Kristen Belmont. Kristen was incredibly helpful, prompt, and informative, addressing all of my inquiries and requests efficiently. I am extremely grateful to have had Kristen's assistance.

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Youre team did an excellent job as usual. The sheet metal and grommets arrived in excellent condition and were very well priced which I appreciate. Thanks again. Doug

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