NAS1155-11

Screw

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Description:

Fastener Length: 1-5/64", Thread: 1/4-28, Thread Length: 25/64"

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NAS1155-11 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.350 inches minimum and 0.400 inches maximum
Fastener Length:
1.048 inches minimum and 1.078 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.577 inches minimum and 0.625 inches maximum
Grip Diameter:
0.3110 inches minimum and 0.3120 inches maximum
Internal Drive Style:
Offset cruciform (torque set)
Thread Diameter:
0.312 inches
Grip Length:
0.678 inches minimum and 0.698 inches maximum
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
36.0 rockwell c minimum overall and 40.0 rockwell c maximum overall
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Surface Finish:
32.0 microinches bearing surface of head
Surface Finish:
32.0 microinches threads
Material:
Steel comp e4340 overall or steel comp 4140 overall or steel comp 8740 overall or steel comp 8735 overall or steel comp 6150 overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,ty2,cl2 fed spec single treatment response overall
Thread Series Designator:
Unjf
Specification Data:
80205-nas1155 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 1-5/64

Additional Information

SKU / Model: NAS115511
NSN: 5305-00-889-6592
FSC: Screws / 5305
Product Series: NAS1155
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7318.15.4000
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1155-11_Military-Fasteners-com.pdf
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More NAS1155 machine screws

NAS1155-9

Fastener Length: 15/16", Thread: 1/4-24, Thread Length: 25/64"

NAS1155-8

Fastener Length: 7/8", Thread: 1/4-24, Thread Length: 25/64"

NAS1155-6

Fastener Length: 3/4", Thread: 1/4-24, Thread Length: 25/64"

NAS1155-5

Fastener Length: 5/8", Thread: 2-24, Thread Length: 5/16"

NAS1155-21

Fastener Length: 1-11/16", Thread: 1/4-24, Thread Length: 25/64"

NAS1155-20

Fastener Length: 1-5/8", Thread Length: 25/64"

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