NAS428K4A12

Machine Bolt

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Description:

Fastener Length: 1-1/4", Thread: 1/4-28, Thread Length: 1-7/32", NAS428 series bolt

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NAS428K4A12
NAS428K4A12
NAS428K4A12
NAS428K4A12
NAS428K4A12
NAS428K4A12
Add to Cart Up to qty 70 ships same day if ordered before 4pm EST
NAS428K4A12 Price:
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$3.30 Each
Quantity:
Pre-packaged bag qty: 10 ea
* Sold in increments of 10
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NAS428K4A12 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
1.188 inches minimum and 1.219 inches maximum
Fastener Length:
1.250 inches nominal
Head Style:
Crowned hexagon
Head Height:
0.141 inches nominal
Width Between Flats:
0.438 inches nominal
Thread Diameter:
0.250 inches
Grip Length:
0.031 inches minimum and 0.062 inches maximum
Features Provided:
Finished head
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
125000 pounds per square inch
Hardness Rating:
26.0 rockwell c minimum overall and 32.0 rockwell c maximum overall
Special Features:
As modified by slotted shank
Material:
Steel comp 4037 overall or steel comp 4130 overall or steel comp 8630 overall or steel comp 8735 overall or steel comp 8740 overall or steel comp 4140 overall
Material Specification:
Mil-b-6812 mil spec all material responses overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416 fed spec all treatment responses overall
Thread Series Designator:
Unf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 1-1/4

Additional Information

SKU / Model: NAS428K4A12
NSN: 5306-00-292-4611
FSC: Bolts / 5306
Product Series: NAS428K
Pack Weight (Approx.) 0.203 lb
Minimum Qty (MOQ): 10
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS428K4A12_Military-Fasteners-com.pdf
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More NAS428K machine bolts

NAS428KH4-14

Fastener Length: 1-1/2in., Hole Diameter: 1/32in., Thread: 1/4-28, Thread Length: 1-15/32in.

NAS428K5-16

Fastener Length: 1-3/4", Thread: 1/4-24, Thread Length: 1-23/32"

NAS428K4A7

Fastener Length: 15/16", Thread: 1/4-28, Thread Length: 15/16"

NAS428K4A6

Fastener Length: 3/4", Thread: 1/4-28, Thread Length: 23/32"

NAS428K4A11

Fastener Length: 1-3/16", Thread: 1/4-28, Thread Length: 0-63/64"

NAS428K4A10

Fastener Length: 1-", Thread: 1/4-28, Thread Length: 31/32"

Product Image Gallery

Product code NAS428K4A12
NAS428K4A12
NAS428K4A12
NAS428K4A12
NAS428K4A12
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NAS428K4A12

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