NAS1298-3-6

Screw, Shoulder

Part number

NAS1298-3-6

NSN

5305-01-229-8012

NIIN

01-229-8012

Item name

Screw, Shoulder

Manufacturer

National Aerospace Standards

CAGE code

80205

FSC

5305

Unit of issue

EA

DEMIL code

A

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Alternate part numbers

• NAS1298-3-6 CAGE 80205

Technical characteristics

Thread Class

3A

Thread Direction

Right-hand

Thread Length

0.342 inches minimum and 0.392 inches maximum

Fastener Length

0.737 inches minimum and 0.777 inches maximum

Head Style

PAN

Head Diameter

0.361 inches minimum and 0.385 inches maximum

Head Height

0.103 inches minimum and 0.118 inches maximum

Shoulder Diameter

0.246 inches minimum and 0.249 inches maximum first shoulder

Shoulder Length

0.385 inches minimum and 0.395 inches maximum first shoulder

Internal Drive Style

Cross recess type 1

Nominal Thread Diameter

0.190 inches

Thread Quantity per Inch

32

Minimum Tensile Strength

125000 pounds per square inch

Shoulder Shape

Round first shoulder

Material

Steel overall

Material Document and Classification

MIL-S-7839 mil spec single material response overall

Surface Treatment

Cadmium and chromate overall

Surface Treatment Document and Classification

QQ-P-416 type 2 class 2 fed spec single treatment response overall

Thread Series Designator

UNJC

Specification/Standard Data

80205-NAS1298 professional/industrial association standard

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