5305-01-388-1831

Find complete technical information, availability, and procurement data for: 5305-01-388-1831
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-388-1831

Item Name Code

06657

Assigment Date

03/23/1994 (32 years ago)

An item or items used to modify fire control equipment.

right-hand thread direction, 1.690 inches minimum and 1.750 inches maximum fastener length, 2a thread class, hexagon head style, 1.607 inches minimum and 1.750 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: 2a
Thread Direction: right-hand
Thread Length: 1.607 inches minimum and 1.750 inches maximum
Fastener Length: 1.690 inches minimum and 1.750 inches maximum
Head Style: hexagon
Head Height: 0.208 inches minimum and 0.230 inches maximum
Width Between Flats: 0.545 inches minimum
Internal Drive Style: slot
Nominal Thread Diameter: 0.312 inches
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 60000 pounds per square inch
Screw Material: steel comp 1013 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022
Screw Material Document And Classification: fed 66 fed std all material responses
Screw Surface Treatment: zinc and chromate
Screw Surface Treatment Document And Classification: mil-std-171, 1.9.2.3 mil 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
12387271-111	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-388-1831?

The FSCG of the NSN 5305-01-388-1831 is 5305

Does the NSN 5305-01-388-1831 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-388-1831 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 5305-01-388-1831 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-388-1831 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 5305-01-388-1831 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Wed, Mar 23, 1994