5305-00-401-5668

Find complete technical information, availability, and procurement data for: 5305-00-401-5668
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-401-5668

Item Name Code

06657

Assigment Date

11/21/1969 (56 years ago)

right-hand thread direction, hexagon head style, 1.390 inches minimum and 1.437 inches maximum fastener length, 0.332 inches minimum and 0.411 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: 0.332 inches minimum and 0.411 inches maximum
Fastener Length: 1.390 inches minimum and 1.437 inches maximum
Head Style: hexagon
Head Height: 0.140 inches minimum and 0.172 inches maximum
Width Between Flats: 0.428 inches minimum and 0.440 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 42.0 rockwell c maximum
Screw Material: steel comp 431
Screw Material Document And Classification: mil-s-18732 mil spec single material response
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response
Thread Series Designator: unf

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
580R869H25	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-401-5668?

The FSCG of the NSN 5305-00-401-5668 is 5305

Does the NSN 5305-00-401-5668 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-401-5668 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 5305-00-401-5668 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-401-5668 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 5305-00-401-5668 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, Nov 21, 1969