5305-00-576-1831

Find complete technical information, availability, and procurement data for: 5305-00-576-1831
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-576-1831

Item Name Code

29294

Assigment Date

01/01/1963 (63 years ago)

3a thread class, flat countersunk head style, 0.765 inches minimum and 0.812 inches maximum fastener length, right-hand thread direction, 0.380 inches minimum and 0.447 inches maximum thread length

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: 0.380 inches minimum and 0.447 inches maximum
Fastener Length: 0.765 inches minimum and 0.812 inches maximum
Head Style: flat countersunk
Head Diameter: 0.376 inches minimum and 0.385 inches maximum
Grip Diameter: 0.1889 inches minimum and 0.1894 inches maximum
Shank Unthreaded Hole Diameter: 0.070 inches nominal first hole
Single Shear Strength: 2620 pounds per square inch
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.365 inches minimum and 0.385 inches maximum
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 38.0 rockwell c nominal overall
Countersink Angle: 100.0 degrees nominal
Surface Finish: 32.0 microinches grip
Material: steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 overall
Material Document And Classification: mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response overall
Thread Series Designator: unf
Specification/Standard Data: 80205-nas333 professional/industrial association standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-00-670-7174	No Name Available	01/01/1960

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
NAS333P6	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-00-576-1831?

The FSCG of the NSN 5305-00-576-1831 is 5305

Does the NSN 5305-00-576-1831 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-576-1831 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 5305-00-576-1831 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-576-1831 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 5305-00-576-1831 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963