5305-00-797-4400

Find complete technical information, availability, and procurement data for: 5305-00-797-4400
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-797-4400

Item Name Code

06657

Assigment Date

05/18/1993 (33 years ago)

double hexagon w/ hole head style, right-hand thread direction, 0.490 inches minimum and 0.510 inches maximum fastener length, 0.428 inches minimum and 0.448 inches maximum thread 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: 0.428 inches minimum and 0.448 inches maximum
Fastener Length: 0.490 inches minimum and 0.510 inches maximum
Head Style: double hexagon w/ hole
Head Height: 0.240 inches minimum and 0.260 inches maximum
Width Between Flats: 0.302 inches minimum and 0.322 inches maximum
Extended Washer Diameter: 0.212 inches minimum and 0.220 inches maximum
Extended Washer Thickness: 0.030 inches minimum and 0.040 inches maximum
Hole Diameter: 0.047 inches nominal
Nominal Thread Diameter: 0.164 inches
Hole Quantity: 2
Thread Quantity Per Inch: 32
Hardness Rating: 26.0 rockwell c minimum
Screw Material: iron alloy 660
Screw Material Document And Classification: ams5735 assn std single material response
Screw Surface Treatment: silver
Screw Surface Treatment Document And Classification: ams2410 assn std single treatment response
Head Hole Configuration Style: hexagon flats
Precious Material And Location: overall silver
Precious Material: silver
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
R1057P6SL	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-797-4400?

The FSCG of the NSN 5305-00-797-4400 is 5305

Does the NSN 5305-00-797-4400 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-797-4400 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 5305-00-797-4400 contain precious materials?

Item contains silver.

Does NSN 5305-00-797-4400 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 5305-00-797-4400 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Tue, May 18, 1993