C7984-4-4

Screw, Close Tolerance

Part number

C7984-4-4

NSN

5305-01-336-4390

NIIN

01-336-4390

Item name

Screw, Close Tolerance

Manufacturer

Alcoa Global Fasteners Inc.

CAGE code

06950

FSC

5305

Unit of issue

EA

DEMIL code

A

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Alternate part numbers

• 121557-4-A4P CAGE 56878
• 121557-4-A4P CAGE 80539
• 5305PL0784911 CAGE 9009H
• 5305PL1803861 CAGE 9009H
• 5305PL1944796 CAGE 9009H
• AIC984-4-4 CAGE 06725
• C7984-4-4 CAGE 81755
• H044-4-4 CAGE 17446
• H044-4-4 CAGE 97928
• PBF1165-4-4 CAGE 27624
• VT1693-4-4 CAGE 06950
• VT1693-4-4 CAGE 92215

Technical characteristics

Thread Class

3A

Thread Direction

Right-hand

Thread Length

0.370 inches nominal

Fastener Length

0.605 inches minimum and 0.635 inches maximum

Head Style

Flat countersunk

Head Diameter

0.447 inches minimum and 0.507 inches maximum

Grip Diameter

0.2485 inches minimum and 0.2495 inches maximum

Internal Drive Style

Offset cruciform (torque set)

Nominal Thread Diameter

0.2500 inches

Grip Length

0.240 inches minimum and 0.260 inches maximum

Thread Quantity per Inch

28

Minimum Tensile Strength

220000 pounds per square inch

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Material

Steel comp H11 overall

Surface Treatment

Cadmium overall

Surface Treatment Document and Classification

Nas 672 assn std single treatment response overall

Thread Series Designator

UNJF

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