C7984B4-8R

View detailed technical data, stock status, and sourcing information for: C7984B4-8R
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-692-5440

Item Name Code

29294

Assigment Date

12/21/2020 (5 years ago)

flat countersunk head style, 0.370 inches nominal thread length, right-hand thread direction, 0.855 inches minimum and 0.885 inches maximum fastener length, 3a thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.370 inches nominal
Fastener Length: 0.855 inches minimum and 0.885 inches maximum
Head Style: flat countersunk
Head Diameter: 0.447 inches minimum and 0.507 inches maximum
Head Height: 0.108 inches nominal
Grip Diameter: 0.2641 inches minimum and 0.2651 inches maximum
Single Shear Strength: 132000 pounds per square inch
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.2500 inches
Grip Length: 0.500 inches nominal
Features Provided: dry film lubricant
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 220000 pounds per square inch
Hardness Rating: 46.0 rockwell c minimum and 50.0 rockwell c maximum overall
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Surface Finish: 32.0 microinches overall
Part Name Assigned By Controlling Agency: bolt,100 deg flush head,torq-set recess,132 ksi shear
Material: steel overall
Material Document And Classification: h11 alloy steel per ams6487 aerospace material spec std single material response overall
Surface Treatment: aluminum and lubricant overall
Surface Treatment Document And Classification: ion vapor deposited aluminum coating per mil-c-83488,ty ii,cl 3 mil spec 1st treatment response and mil-l-46010,ty i mil spec 2nd treatment response overall
Thread Series Designator: unjf

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
121557-4-A8BX	Close Tolerance Screw
121557B4-8R	Close Tolerance Screw
AIC984B4-8R	Close Tolerance Screw
C7984B4-8R	Close Tolerance Screw
H044B4-8R	Close Tolerance Screw
PBF1165B4-8R	Close Tolerance Screw
VT1693AS4-8X	Close Tolerance Screw
VT1693B4-8R	Close Tolerance Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-692-5440?

The FSCG of the NSN 5305-01-692-5440 is 5305

Does the NSN 5305-01-692-5440 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-692-5440 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5305-01-692-5440 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-692-5440 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5305-01-692-5440 was assigned to the Federal Catalog?

It was assigned 5 years ago, on Mon, Dec 21, 2020