NAS1152-12

Screw, Close Tolerance

Part number

NAS1152-12

NSN

5305-01-309-5456

NIIN

01-309-5456

Item name

Screw, Close Tolerance

Manufacturer

National Aerospace Standards

CAGE code

80205

FSC

5305

Unit of issue

EA

DEMIL code

A

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Alternate part numbers

• NAS1152-12 CAGE 80205

Technical characteristics

Thread Class

3A

Thread Direction

Right-hand

Thread Length

0.276 inches nominal

Fastener Length

1.011 inches minimum and 1.041 inches maximum

Head Style

Flat countersunk

Head Diameter

0.328 inches minimum and 0.337 inches maximum

Grip Diameter

0.1621 inches minimum and 0.1627 inches maximum

Internal Drive Style

Offset cruciform (torque set)

Nominal Thread Diameter

0.164 inches

Grip Length

0.740 inches minimum and 0.760 inches maximum

Thread Quantity per Inch

32

Minimum Tensile Strength

160000 pounds per square inch

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Material

Steel comp 4140 overall or steel comp 4340 overall

Material Document and Classification

MIL-S-5626 mil std all material responses overall

Surface Treatment

Cadmium overall

Surface Treatment Document and Classification

QQ-P-416, ty ii, cl 2 fed spec single treatment response overall

Thread Series Designator

UNJC

Specification/Standard Data

80205-NAS1152 professional/industrial association standard

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