NAS1297-4-6

Shoulder Bolt

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Description:

Fastener Length: 55/64", Hole Diameter: 1/16", Thread: 1/4-28, Thread Length: 15/32", NAS1297 series bolt

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NAS1297-4-6 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.433 inches minimum and 0.483 inches maximum
Fastener Length:
0.828 inches minimum and 0.868 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:
0.309 inches minimum first shoulder and 0.312 inches maximum first shoulder
Shoulder Length:
0.385 inches minimum first shoulder and 0.395 inches maximum first shoulder
Hole Diameter:
0.070 inches nominal
Thread Diameter:
0.250 inches
Hole Quantity:
1
Hole Type:
Drilled
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
Hole Configuration Style:
Hexagon flats
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
Material Specification:
Mil-s-5626 mil spec 1st material response overall or mil-s-6049 mil spec 2nd material response overall or mil-s-6050 mil spec 3rd material response overall or mil-s-6098 mil spec 4th material response overall or mil-s-6758 mil spec 5th material response overall or ams 6300 assn std 6th material response overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,t6 2 cl 3 fed spec single treatment response overall
Thread Series Designator:
Unjf
Specification Data:
80205-nas1297 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 55/64

Additional Information

SKU / Model: NAS129746
NSN: 5306-00-945-2558
FSC: Bolts / 5306
Product Series: NAS1297
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5
Schedule B: 7318.15.8085
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1297-4-6_Military-Fasteners-com.pdf
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