LL57D40P4

Locking Phil Screw

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Description:

Fastener Length: 1/4", Thread: 4-40, Thread Length: 1/4"

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LL57D40P4 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.169 inches minimum and 0.250 inches maximum
Fastener Length:
0.219 inches minimum and 0.250 inches maximum
Head Style:
Pan
Head Diameter:
0.205 inches minimum and 0.219 inches maximum
Head Height:
0.070 inches minimum and 0.080 inches maximum
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.112 inches
Thready Qty Per Inch (tpi):
40
Min. Tensile Strength (psi):
160000 pounds per square inch
Surface Finish:
32.0 microinches bearing surface of head
Surface Finish:
32.0 microinches threads
Material:
Iron alloy 660 overall
Material Specification:
Ams 5737 assn std single material response overall
Surface Treatment:
Passivate overall
Surface Treatment Specification:
Qq-p-35 fed spec single treatment response overall
Thread Series Designator:
Unjc
Specification Data:
80205-nas1190 professional/industrial association standard
Quick Specs
Thread Size 4
Thread Qty 40
Material Iron
Length 1/4

Additional Information

SKU / Model: LL57D40P4
NSN: 5305-01-055-3764
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 75 EA
Schedule B: 7318.15.6080
ECCN: EAR99
Download PDF Version
LL57D40P4_Military-Fasteners-com.pdf
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Military Fasteners provided the supplies needed to repair my prop. They had the exact items I needed, at a good price. My order was delivered in reasonable time, complete with instructions. The end result was a quality repair to get me back flyin again. Thank you! Steve

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Great Customer Service very helpful...Packaged arrived almost the next day. How did you do that. Thank you again. will be doing business with you again soon !!!

5.0

You ship them right out to me via US mail in a padded envelope. This makes you my go-to company for all my parts needs. When I've asked questions on-line about an item they are answered thoroughly and usually the same day. Thanks Military Fasteners!

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