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- NSN 5310-01-144-7391
5310-01-144-7391
Description: Key Washer
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5365-01-092-0461 Ring Spacer
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MIL-S-18729 Key Washer
Spec. Type | Spec. | Color | Gloss | Size |
---|---|---|---|---|
Material document and classification | MIL-S-18729 |
Array Properties
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NSN:Array
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Description:Key Washer
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Shelf Life:N/A
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DEMIL:NO
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UOM:1 EA
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Hole Diameter:Between 3.370 inches and 3.390 inches
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Outside Diameter:Between 4.013 inches and 4.033 inches
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External Straight Key Width:Between 0.150 inches and 0.170 inches
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Internal Straight Key Width:Between 0.290 inches and 0.300 inches
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Distance From Centerline To Top Of Internal Key:Between 1.530 inches and 1.550 inches
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Overall Distance Including Keys:Between 4.193 inches and 4.213 inches
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External Key Quantity:4
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Internal Key Quantity:2
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Material Thickness:Between 0.046 inches and 0.054 inches
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Hardness Rating:Between 32.0 rockwell c and 36.0 rockwell c
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Surface Finish:63.0 microinches top
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Part Name Assigned By Controlling Agency:Navy special project
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Special Features:Internal keys 180.0 degrees apart offset 12 degrees 16 min 22 sec from center line of external keys
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Material:Steel comp 4130 or steel comp 4340
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Material Specification:Mil-s-18729 military specification 1st material response or ams 6415 assn standard 2nd material response
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Surface Treatment:Phosphate
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Surface Treatment Specification:Dod-p-16232, ty z, cl 4 military specification single treatment response
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Style Designator:Key