5305-01-398-6311

Find complete technical information, availability, and procurement data for: 5305-01-398-6311
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-398-6311

Item Name Code

06657

Assigment Date

11/07/1994 (31 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).

pan head style, right-hand thread direction, 0.198 inches minimum thread length, 0.281 inches minimum and 0.312 inches maximum fastener length, 2a 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: 2a
Thread Direction: right-hand
Thread Length: 0.198 inches minimum
Fastener Length: 0.281 inches minimum and 0.312 inches maximum
Head Style: pan
Head Diameter: 0.357 inches minimum and 0.373 inches maximum
Head Height: 0.122 inches minimum and 0.133 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 60000 pounds per square inch
Screw Material: steel
Screw Material Document And Classification: qq-s-697 fed spec single material response or fed-std66 fed std single material response
Screw Surface Treatment: zinc and chromate
Screw Surface Treatment Document And Classification: mil-std-171 1.9.2.3 mil std single treatment response
Special Features: surface treatment per mil-std-171 except:0.0003 in. thick and supplementary chromate treatment to be olive drab or bronze
Color: olive drab or bronze
Thread Series Designator: unc

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
12387301-260	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-398-6311?

The FSCG of the NSN 5305-01-398-6311 is 5305

Does the NSN 5305-01-398-6311 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-398-6311 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 5305-01-398-6311 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-398-6311 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 5305-01-398-6311 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Mon, Nov 7, 1994