MS21250-04044

Military Standard Bolt

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Description:

Fastener Length: 3-17/64", Thread: 1/4-28, Thread Length: 17/32"

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MS21250-04044 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.492 inches minimum and 0.532 inches maximum
Fastener Length:
3.252 inches minimum and 3.272 inches maximum
Head Style:
Double hexagon w/hole
Head Height:
0.300 inches nominal
Width Between Flats:
0.312 inches nominal
Extended Washer Diameter:
0.428 inches minimum and 0.438 inches maximum
Extended Washer Thickness:
0.069 inches nominal
Grip Diameter:
0.2485 inches minimum and 0.2495 inches maximum
Thread Diameter:
0.250 inches
Grip Length:
2.740 inches minimum and 2.760 inches maximum
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
180000 pounds per square inch
Hardness Rating:
39.0 rockwell c minimum overall and 43.0 rockwell c maximum overall
Material:
Steel comp e4340 overall or steel comp 4140 overall or steel comp 8740 overall or steel comp 6150 overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416 ty2 cl2 fed spec single treatment response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 3-17/64

Additional Information

SKU / Model: MS2125004044
NSN: 5306-01-048-1128
FSC: Bolts / 5306
Product Series: MS21250
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1 EA
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS21250-04044_Military-Fasteners-com.pdf
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MS21250H08062

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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

4.0

Excellent service, parts arrived at my home in UK exactly when you said they would even when you did not have parts in stock when ordered, very prompt reply to my queries before ordering, faster delivery than I would have got from UK.

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Local Guide·"Great customer service from Brittany. She is awesome. Good prices and parts are n stock. Thx Brit for helping with my parts needed on short notice."

5.0

Military Fasteners had the best price and I received my order very quickly. I pretty much order all of my parts, etc. from Military Fasteners. Thanks

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