MS21295-7

Military Standard Screw

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Description:

Fastener Length: 5/16", Thread: 4-40, Head Width: 3/32", Thread Length: 17/64

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MS21295-7 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.247 inches minimum and 0.277 inches maximum
Fastener Length:
0.297 inches minimum and 0.327 inches maximum
Head Style:
Flat chamfer
Head Diameter:
0.176 inches minimum and 0.183 inches maximum
Head Height:
0.108 inches minimum and 0.112 inches maximum
Locking Feature:
Patch threads or pellet threads or strip threads
Internal Drive Style:
Hexagon
Thread Diameter:
0.112 inches
Width Across Flats:
0.094 inches minimum and 0.095 inches maximum
Thready Qty Per Inch (tpi):
40
Min. Tensile Strength (psi):
80000 pounds per square inch
Hardness Rating:
80.0 rockwell b minimum overall
Minimum Yield Strength:
30000 pounds per square inch
Material:
Steel corrosion resisting overall
Material Specification:
66 fed std single material response overall
Surface Treatment:
Passivate overall
Surface Treatment Specification:
Qq-s-35 fed spec single treatment response overall
Thread Series Designator:
Unc
Quick Specs
Thread Size 4
Thread Qty 40
Material Stainless Steel
Length 5/16

Additional Information

SKU / Model: MS212957
NSN: 5305-00-995-1313
FSC: Screws / 5305
Product Series: MS21295
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
MS21295-7_Military-Fasteners-com.pdf
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MS21295-9

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MS21295-8

Fastener Length: 5/16", Thread: 6-32, Head Width: 7/64", Thread Length: 1/4"

MS21295-53

$2.46 EA, Fastener Length: 1-in., Thread: 6-32, Head Width: 7/64in., Thread Length: 3/4in.

MS21295-52

Fastener Length: 7/8", Thread: 3/8-24, Head Width: 5/16", Thread Length: 7/8"

MS21295-49

Fastener Length: 7/8", Thread: 10-32, Head Width: 5/32", Thread Length: 7/8"

MS21295-45

Fastener Length: 3/4", Thread: 1/4-24, Head Width: 1/4", Thread Length: 3/4"

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Very fast delivery and always getting what I ordered. Never had an issue with the few returns I've had. They have been very friendly and helpful.

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The order was complete and arrived by mail in short order. The staff who took my order was very helpful and answered my questions. Very pleased, thanks to military fasteners

5.0

Amazingly prompt response! I ordered over 1000 items and couldn't believe it when there was an email waiting the following morning saying the items had been dispatched. Easy to track the package online. By comparison I ordered some items from another supplier 3 months ago and I'm still waiting, with no apologies or communication emanating from them to explain the delay.

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