NAS1297-4-3

Bolt

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Description:

Fastener Length: 5/8", Thread: 1/4-28, Thread Length: 7/16

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NAS1297-4-3 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.453 inches minimum
Fastener Length:
0.651 inches nominal
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:
0.198 inches minimum first shoulder and 0.208 inches maximum first shoulder
Thread Diameter:
0.250 inches
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
125000 pounds per square inch
Shoulder Shape:
Round first shoulder
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,type 2,class 3 fed spec single treatment response overall
Thread Series Designator:
Unf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 5/8

Additional Information

SKU / Model: NAS129743
NSN: 5306-00-087-9558
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
NAS1297-4-3_Military-Fasteners-com.pdf
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