MS51957-20B

Military Standard Machine Screw

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Description:

length: 7/8", thread: 4-40, pan head, black oxide coating, corrosion resistant steel, coarse thread, MS51957 series screw

* Manufacturer certifications are shipped with your order FREE of charge
MS51957-20B
MS51957-20B
MS51957-20B
MS51957-20B
MS51957-20B
MS51957-20B
MS51957-20B
MS51957-20B
MS51957-20B
MS51957-20B
MS51957-20B
MS51957-20B
Add to Cart Up to qty 1400 ships same day if ordered before 4pm EST
MS51957-20B Price:
buy now
$0.25 Each
Quantity:
Pre-packaged bag qty: 100 ea
* Sold in increments of 100
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MS51957-20B Datasheet Features and Specification

Thread Class:
2a
Thread Direction:
Right-hand
Thread Length:
0.794 inches minimum and 0.875 inches maximum
Fastener Length:
0.844 inches minimum and 0.875 inches maximum
Head Style:
Pan
Head Diameter:
0.205 inches minimum and 0.219 inches maximum
Head Height:
0.070 inches minimum and 0.080 inches maximum
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.112 inches
Thready Qty Per Inch (tpi):
40
Min. Tensile Strength (psi):
80000 pounds per square inch
Screw Material:
Steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303 plus x or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 323 or steel comp 324 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385
Thread Series Designator:
Unc
Nondefinitive Specification/std Data:
3 type and 9c style
Quick Specs
Thread Size 4
Thread Qty 40
Material Steel
Length 7/8

Additional Information

SKU / Model: MS5195720B
NSN: 5305-00-822-4520
FSC: Screws / 5305
Product Series: MS51957
Pack Weight (Approx.) 0.228 lb
Minimum Qty (MOQ): 100
Schedule B: 7318.15.6080
ECCN: EAR99
National Motor Freight: 096640, Screws, Iron Or Steel
Download PDF Version
MS51957-20B_Military-Fasteners-com.pdf
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More MS51957 machine screws

MS51957-9B

$0.24 Each, Length: 3/4in., black oxide

MS51957-9

$0.23 Each, Length: 3/4in. thread: 2-56 pan head screw corrosion resistant steel coarse thread

MS51957-8B

$0.24 EA, Fastener Length: 5/8in., Thread: 2-56, Thread Length: 5/8in.

MS51957-87

5305-00-071-2093 Machine Screw

MS51957-86

$3.54 EA, Fastener Length: 1-3/4in., Thread: 1/4-20, Thread Length: 1-3/4in.

MS51957-85

$0.42 EA, Fastener Length: 1-1/2in., Thread: 1/4-20, Thread Length: 1-1/2in.

Product Image Gallery

Product code MS51957-20B
MS51957-20B
MS51957-20B
MS51957-20B
MS51957-20B
MS51957-20B
MS51957-20B
MS51957-20B
MS51957-20B
MS51957-20B
MS51957-20B
MS51957-20B
MS51957-20B

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Customer Reviews

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jeremy was a pleasure to work with, informative and knowledgeable about the products. helped me with what i needed to know and how to order it. great customer service.

5.0

I just ordered four very tiny items for a couple of bucks and you treated me like I ordered much much more. The order got to me in just a few days and all I can say is your company is at the top of my list. Thank you very much. Stan

4.0

Very good process

5.0

Products are military grade MIL-SPEC as advertised. I was able to locate #10 locking counter-sunk nutplates when ALL other locations, including Aircraft-Spruce, could not supply.

5.0