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NAS1620-4

Screw, Machine

Part number
NAS1620-4
NSN
5305-01-110-3136
NIIN
01-110-3136
Item name
Screw, Machine
Manufacturer
National Aerospace Standards
CAGE code
80205
FSC
5305 — Screws
Unit of issue
PG (U/I contains 50 EA)
DEMIL code
A

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Alternate part numbers

Technical characteristics

Thread Class
2A
Thread Direction
Right-hand
Thread Length
0.220 inches nominal
Fastener Length
0.455 in min / 0.485 in max
Head Style
Flat countersunk
Head Diameter
0.177 in min / 0.225 in max
Internal Drive Style
Torque set
Nominal Thread Diameter
0.112 inches
Thread Quantity per Inch
40
Countersink Angle
99.0-101.0 degrees
Screw Material
Steel (NAS498)
Surface Treatment
Cadmium (QQ-P-416 Type 2 Class 2)
Thread Series
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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