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NAS1581K3R6

Screw, Close Tolerance

Part number
NAS1581K3R6
NSN
5305-01-184-3758
NIIN
01-184-3758
Item name
Screw, Close Tolerance
Manufacturer
National Aerospace Standards
CAGE code
80205
FSC
5305 — Screws
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
0.338 in min / 0.388 in max
Fastener Length
0.723 in min / 0.753 in max
Head Style
Flat countersunk
Head Diameter
0.2578 in min / 0.3047 in max
Grip Diameter
0.1890 in min / 0.1895 in max
Internal Drive Style
Offset cruciform (torque set)
Nominal Thread Diameter
0.190 inches
Grip Length
0.365 in min / 0.385 in max
Thread Quantity per Inch
32
Min Tensile Strength
160,000 psi
Countersink Angle
99.0-101.0 degrees
Surface Finish
32.0 microinches (grip & threads)
Material
Titanium alloy overall
Material Spec
AMS 4967 6AL-4V
Thread Series
UNJF
Specification
80205-1581
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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