NAS1578A5R31

Close Tolerance Bolt

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Description:

Fastener Length: 2-29/64", Thread: 1/4-24, Thread Length: 1/2

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NAS1578A5R31 Datasheet Features and Specification

Fastener Length:
Between 2.424 inches and 2.454 inches
Grip Diameter:
Between 0.311 inches and 0.312 inches
Grip Length:
Between 1.928 inches and 1.948 inches
Head Diameter:
Between 0.597 inches and 0.612 inches
Head Height:
Between 0.176 inches and 0.183 inches
Head Style:
Pan
Internal Drive Style:
Offset cruciform (torque set)
Material:
Steel comp 4140 or steel comp 4340 or steel comp e4340 or steel comp 8740
Material Specification:
Mil-s-5626 military specification 1st material response or ams6415 assn standard 2nd material response or mil-s-5000 military specification 3rd material response or mil-s-6049 military specification 4th material response
Thread Diameter:
0.312 inches
Surface Treatment:
Cadmium
Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.501 inches
Thread Qty Per Inch (tpi):
24
Thread Series Designator:
Unjf (fine thread with external controlled root radius)
Quick Specs
Thread Size 1/4
Thread Qty 24
Thread Series UNJF
Thread Class 3A
Material Steel

Additional Information

SKU / Model: NAS1578A5R31
NSN: 5305-01-501-6620
FSC: Screws / 5305
Product Series: NAS1578A5R
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1
Schedule B: 7318.15.8085
ECCN: EAR99
Download PDF Version
NAS1578A5R31_Military-Fasteners-com.pdf
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