NAS1297-4-4

Bolt

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Description:

Fastener Length: 47/64", Thread: 1/4-28, Thread Length: 7/16"

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NAS1297-4-4 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.362 inches minimum and 0.448 inches maximum
Fastener Length:
0.703 inches minimum and 0.743 inches maximum
Head Style:
Hexagon
Head Height:
0.172 inches minimum and 0.204 inches maximum
Width Between Flats:
0.490 inches minimum and 0.502 inches maximum
Shoulder Diameter:
0.3090 inches minimum first shoulder and 0.3120 inches maximum first shoulder
Shoulder Length:
0.260 inches minimum first shoulder and 0.270 inches maximum first shoulder
Thread Diameter:
0.250 inches
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
Shoulder Shape:
Round first shoulder
Material:
Steel comp 4140 overall or steel comp 8740 overall or steel comp 8630 overall or steel comp 8735 overall or steel comp 4130 overall or steel comp 4037 overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,ty 2 cl 3 fed spec single treatment response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 47/64

Additional Information

SKU / Model: NAS129744
NSN: 5306-00-488-3826
FSC: Bolts / 5306
Product Series: NAS1297
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1297-4-4_Military-Fasteners-com.pdf
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