NAS1351-6-22

Screw, cap, Socket Head

Part number

NAS1351-6-22

NSN

5305-01-643-3351

NIIN

01-643-3351

Item name

Screw, cap, Socket Head

Manufacturer

National Aerospace Standards

CAGE code

80205

FSC

5305

Unit of issue

EA

DEMIL code

A

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Alternate part numbers

• NAS1351-6-22P CAGE 80205

Technical characteristics

Thread Class

3A

Thread Direction

Right-hand

Thread Length

1.250 inches minimum

Fastener Length

1.375 inches nominal

Head Style

Flat chamfer

Head Diameter

0.550 inches minimum and 0.562 inches maximum

Head Height

0.368 inches minimum and 0.375 inches maximum

Internal Drive Style

Hexagon

Nominal Thread Diameter

0.375 inches

Width Across Flats

0.313 inches minimum and 0.316 inches maximum

Thread Quantity per Inch

24

Part Name Assigned BY Controlling Agency

Screw cap socket head

Material

Steel overall

Surface Treatment

Cadmium overall

Thread Series Designator

UNRF

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