5305-01-428-3687

Find complete technical information, availability, and procurement data for: 5305-01-428-3687
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-428-3687

Item Name Code

18257

Assigment Date

03/25/1996 (30 years ago)

A chemical composition formulated for coating or for filling voids, cracks, joints or seams of objects and/or materials to exclude foreign matter and/or prevent the transmission of fluids therethrough. It is not designed to act as a primer coating or to be sanded or ground after application. It cannot be wiped off. For items which are specifically compounded to provide electrical insulating characteristics, use insulating compound, electrical. Excludes:caulking compound; gasket cement; corrosion preventive compound; cement, iron and steel; plumbing fixture setting compound; preservative coating, rubber and textile treating compounds.

hexagon head style, 2a thread class, right-hand thread direction, 1.500 inches minimum and 1.727 inches maximum thread length, 3.406 inches minimum and 3.500 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: 2a
Thread Direction: right-hand
Thread Length: 1.500 inches minimum and 1.727 inches maximum
Fastener Length: 3.406 inches minimum and 3.500 inches maximum
Head Style: hexagon
Head Height: 0.378 inches minimum and 0.403 inches maximum
Width Between Flats: 0.922 inches minimum and 0.938 inches maximum
Locking Feature: strip threads
Nominal Thread Diameter: 0.625 inches
Thread Quantity Per Inch: 11
Minimum Tensile Strength: 150000 pounds per square inch
Hardness Rating: 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
Material: steel overall
Material Document And Classification: saej429, grade 8 assn std single material response overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: astmb633, ty 2, sc3 assn std single treatment response overall
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
LP90728-170	Hexagon Head Cap Screw
MS90728-170L	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-428-3687?

The FSCG of the NSN 5305-01-428-3687 is 5305

Does the NSN 5305-01-428-3687 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-428-3687 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 5305-01-428-3687 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-428-3687 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 5305-01-428-3687 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Mon, Mar 25, 1996