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NAS1123-15

Screw, Close Tolerance

Part number
NAS1123-15
NSN
5305-00-226-3631
NIIN
00-226-3631
Item name
Screw, Close Tolerance
Manufacturer
National Aerospace Standards
CAGE code
80205
FSC
5305 — Screws
Unit of issue
PG
DEMIL code
A

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Alternate part numbers

Technical characteristics

Thread Class
3A
Thread Direction
Right-hand
Thread Length
0.251-0.301 inches
Fastener Length
1.199-1.229 inches
Head Style
Flat chamfer
Head Diameter
0.306-0.313 inches
Head Height
0.103-0.118 inches
Grip Diameter
0.1885-0.1895 inches
Internal Drive Style
Offset cruciform (torque set)
Nominal Thread Diameter
0.190 inches
Grip Length
0.928-0.948 inches
Thread Quantity per Inch
32
Min Tensile Strength
160000 psi
Hardness
36.0-40.0 Rockwell C
Surface Finish
32.0 microinches (bearing surface, grip, threads)
Material
Steel comp 4140/E4340/8740
Material Spec
MIL-S-5626/MIL-S-5000/MIL-S-6049
Surface Treatment
Cadmium + chromate per QQ-P-416 Type 2 Class 2
Thread Series
UNJF
Specification
NAS1123
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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