5305-01-543-6643

Find complete technical information, availability, and procurement data for: 5305-01-543-6643
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-543-6643

Item Name Code

29294

Assigment Date

09/19/2006 (19 years ago)

A bracket of various shapes (other than angle), designed to be attached to a supporting surface for the specific purpose of positioning, aligning and/or supporting another item. Excludes:brace (as modified); bracket, angle; and bracket, double angle. See also bracket (1), electrical connector; bracket, fire extinguisher; bracket, solenoid; bracket, track, sliding door; and retainer (as modified).

right-hand thread direction, 0.631 inches minimum and 0.651 inches maximum thread length, flat countersunk head style, 3a thread class, 0.952 inches minimum and 0.999 inches maximum fastener 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: 0.631 inches minimum and 0.651 inches maximum
Fastener Length: 0.952 inches minimum and 0.999 inches maximum
Head Style: flat countersunk
Head Diameter: 0.470 inches minimum and 0.500 inches maximum
Grip Diameter: 0.3733 inches minimum and 0.3742 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.375 inches
Grip Length: 0.302 inches minimum and 0.322 inches maximum
Width Across Flats: 0.220 inches minimum and 0.222 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Special Features: made from nas 336ca7 nsn 5305-00-971-7467
Material: steel comp e4340 or steel comp 4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2 class 3 fed spec single treatment response overall
Thread Series Designator: unf
Specification/Standard Data: 80205-nas336 professional/industrial association standard

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
LEX-9514-01	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-543-6643?

The FSCG of the NSN 5305-01-543-6643 is 5305

Does the NSN 5305-01-543-6643 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-543-6643 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 5305-01-543-6643 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-543-6643 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 5305-01-543-6643 was assigned to the Federal Catalog?

It was assigned 19 years ago, on Tue, Sep 19, 2006