OmniSynk Distribution Services

BACB30LU4-15

Screw, Close Tolerance

Part number
BACB30LU4-15
NSN
5305-01-056-1515
NIIN
010561515
Item name
Screw, Close Tolerance
Manufacturer
Alcoa Global Fasteners Inc.
CAGE code
06950
FSC
5305 — Screws
Unit of issue
HD
DEMIL code
A

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Alternate part numbers

Technical characteristics

Thread Class
3A
Thread Direction
Right-hand
Thread Length
0.400-0.450 in
Fastener Length
1.348-1.378 in
Head Style
Flat countersunk
Head Diameter
0.455-0.510 in
Grip Diameter
0.2485-0.2495 in
Internal Drive Style
Cross recess type 1
Nominal Thread Diameter
0.250 in
Grip Length
0.928-0.948 in
TPI
28
Countersink Angle
100 degrees nominal
Surface Finish
32.0 microinches
Material
Steel E4340 or 4340 or 8740
Surface Treatment
Cadmium and chromate, QQ-P-416 ty2 cl2
Thread Series
UNJF
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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