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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Fast and affordable shipping for small parts. In Alaska, USPS work well and is affordable for us up here, Thanks

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Tanks for the fantastic service. I ordered over the new year period and was amazed my shipment arrived so fast, all the way to New Zealand. Less than a week and that included clearing Customs. Awesome!!

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Excellent selection of aircraft items and prices. Have never had bad service and delivery is always prompt. I will always be a loyal customer. Thanks for being a part of my aviation needs.

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I have experienced 5-star customer service from Isaac Beltran at Military Fasteners. He is a true professional who goes out on a limb to help out his customers. I always check with Isaac when I need help with finding those hard to find items". Thank you again Isaac for your support!"

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