MS21125B411

Military Standard Bolt

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Description:

Fastener Length: 1-7/64", Thread: 1/4-28, Thread Length: 9/32"

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MS21125B411 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.277 inches minimum and 0.328 inches maximum
Fastener Length:
1.106 inches minimum and 1.126 inches maximum
Head Style:
Flat chamfer
Head Diameter:
0.477 inches minimum and 0.492 inches maximum
Head Height:
0.126 inches minimum and 0.141 inches maximum
Locking Feature:
Detent ball fastener
Grip Diameter:
0.2487 inches minimum and 0.2492 inches maximum
Shank Unthreaded Hole Diameter:
0.076 inches minimum first hole and 0.086 inches maximum first hole
Internal Drive Style:
Slot
Thread Diameter:
0.250 inches
Grip Length:
0.688 inches minimum and 0.704 inches maximum
Thready Qty Per Inch (tpi):
28
Distance From Head Largest Bearing Surface To Shank Hole Center:
1.011 inches minimum first hole and 1.031 inches maximum first hole
Surface Finish:
32.0 microinches bearing surface of head
Surface Finish:
32.0 microinches grip
Surface Treatment:
Passivate overall
Surface Treatment Specification:
Qq-p-35 fed spec single treatment response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Length 1-1/8

Additional Information

SKU / Model: MS21125B411
NSN: 5305-00-092-6689
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1 EA
Schedule B: 7318.15.8085
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS21125B411_Military-Fasteners-com.pdf
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