NAS1581F4R5

Bolt

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Description:

Fastener Length: 23/32", Thread: 1/4-28, Thread Length: 13/32"

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NAS1581F4R5 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.388 inches minimum and 0.418 inches maximum
Fastener Length:
0.700 inches minimum and 0.730 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.3504 inches nominal
Grip Diameter:
0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style:
Offset cruciform (torque set)
Thread Diameter:
0.250 inches
Grip Length:
0.302 inches minimum and 0.322 inches maximum
Thready Qty Per Inch (tpi):
28
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Part Name Assigned By Controlling Agency:
Screw,close tolerance
Material:
Steel comp 4140 overall
Surface Treatment:
Cadmium overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 23/32

Additional Information

SKU / Model: NAS1581F4R5
NSN: 5305-01-532-5052
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 15 EA
Schedule B: 7318.15.8085
ECCN: EAR99
Download PDF Version
NAS1581F4R5_Military-Fasteners-com.pdf
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