7S39-4A8

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Description:

Fastener Length: 59/64", Thread: 1/4-28, Thread Length: 13/32"

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7S39-4A8 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.400 inches minimum and 0.450 inches maximum
Fastener Length:
0.910 inches minimum and 0.940 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.326 inches minimum and 0.395 inches maximum
Grip Diameter:
0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.250 inches
Grip Length:
0.490 inches minimum and 0.510 inches maximum
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
160000 pounds per square inch
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Material:
Steel comp 4130 overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416 ty 2 cl 3 fed spec all treatment responses overall
Thread Series Designator:
Unf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 15/16

Additional Information

SKU / Model: 7S394A8
NSN: 5305-00-857-1319
FSC: Screws / 5305
Product Series: 7S39
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7318.15.6080
ECCN: 9A991
National Motor Freight: 096640, Screws, Iron Or Steel
Download PDF Version
7S39-4A8_Military-Fasteners-com.pdf
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More 7S39 machine screws

7S39-4A7

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

7S39-4A5

Fastener Length: 47/64", Thread: 1/4-28, Thread Length: 13/32"

7S39-4A4

Fastener Length: 43/64", Thread: 1/4-28, Thread Length: 13/32"

7S39-3A8

Fastener Length: 27/32", Thread: 10-32, Thread Length: 23/64"

7S39-3A7

Fastener Length: 25/32", Thread: 10-32, Thread Length: 23/64"

7S39-3A4

Fastener Length: 19/32in., Thread: 10-32, Thread Length: 23/64in.

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