NAS1789C4

Locknut

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Description:

Thread Size: 1/4", Nut Length: 39/64", Nut Height: 9/32

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NAS1789C4 Datasheet Features and Specification

Thread Class:
3b
Thread Direction:
Right-hand
Distance From Centerline To Flat:
0.236 inches nominal
Locking Feature:
Prevailing torque all metal design
Counterbore Diameter:
0.254 inches minimum nut
Lubrication:
Dry film lubricant
Mounting Hole Diameter:
0.098 inches minimum and 0.103 inches maximum
Nut Style:
Plate
Nut Length:
0.617 inches maximum
Nut Height:
0.281 inches maximum
Plate Thickness:
0.035 inches maximum
Plate Width:
0.502 inches maximum
Nut Mounting Provision:
Straight holes
Mounting Hole Arrangement Style:
2 holes
Distance From Aperture Center To Mounting Hole Center:
0.281 inches nominal
Center To Center Distance Between Mounting Holes Along Width:
0.217 inches minimum and 0.221 inches maximum
Tempurature Rating:
800.0 deg fahrenheit nominal
Thread Series:
Unjf
Features Provided:
Floating nut
Thready Qty Per Inch (tpi):
28
Thread Size:
0.250 inches
Material:
Iron alloy 660 overall
Material Specification:
Ams5525 assn std 1st material response overall or ams5735 assn std 2nd material response overall or ams5737 assn std 3rd material response overall
Surface Treatment:
Passivate overall
Surface Treatment Specification:
Qq-p-35 fed spec single treatment response overall
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Iron

Additional Information

SKU / Model: NAS1789C4
NSN: 5310-01-485-2054
FSC: Nuts and Washers / 5310
Product Series: NAS1789C
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1789C4_Military-Fasteners-com.pdf
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