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BACB30LK2U4

Screw, Close Tolerance

Part number
BACB30LK2U4
NSN
5305-01-581-4775
NIIN
01-581-4775
Item name
Screw, Close Tolerance
Manufacturer
The Boeing Company
CAGE code
81205
FSC
5305
Unit of issue
EA
DEMIL code
A

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Alternate part numbers

Technical characteristics

Thread Class
3A
Thread Direction
Right-hand
Thread Length
0.340 inches minimum and 0.350 inches maximum
Fastener Length
0.580 inches minimum and 0.610 inches maximum
Head Style
PAN
Head Diameter
0.306 inches minimum and 0.322 inches maximum
Head Height
0.105 inches minimum and 0.115 inches maximum
Grip Diameter
0.1630 inches minimum and 0.1635 inches maximum
Internal Drive Style
Cross recess type 1
Nominal Thread Diameter
0.164 inches
Grip Length
0.240 inches minimum and 0.260 inches maximum
Thread Quantity per Inch
32
Surface Finish
32.0 microinches bearing surface of head
Surface Finish
32.0 microinches grip
Surface Finish
32.0 microinches threads
Material
Iron alloy 660 overall
Material Document and Classification
Ams 5737 assn std single material response overall
Surface Treatment
Passivate overall
Surface Treatment Document and Classification
AMSQQ-P-35, ty ii or ty viii assn std single treatment response overall
Thread Series Designator
UNJC
Catalogue data is compiled from public DLA/FLIS sources and is provided for identification. Availability, condition and certification are confirmed on quotation. OmniSynk Distribution Services is a stocking distributor.

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