5305-01-386-9649

Find complete technical information, availability, and procurement data for: 5305-01-386-9649
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-386-9649

Item Name Code

18257

Assigment Date

02/21/1994 (32 years ago)

An open coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, designed to provide resistance to compression forces. Excludes:springs designed for thermal actuation (springs in which the torsion forces are designed to be counteracted by changes in temperature) and spring, reinforcing, hose.

5.500 inches nominal fastener length, 1.500 inches minimum thread length, 2a thread class, hexagon head style, right-hand thread direction

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
Fastener Length: 5.500 inches nominal
Head Style: hexagon
Head Height: 0.378 inches minimum and 0.403 inches maximum
Width Between Flats: 0.922 inches minimum and 0.937 inches maximum
Nominal Thread Diameter: 0.625 inches
Features Provided: finished head
Thread Quantity Per Inch: 18
Minimum Tensile Strength: 70000 pounds per square inch
Hardness Rating: 80.0 brinell b minimum overall
Minimum Yield Strength: 30000 pounds per square inch
Material: steel overall
Material Document And Classification: fed66 300 seried fed std all material responses overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
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
MS35308-477	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-386-9649?

The FSCG of the NSN 5305-01-386-9649 is 5305

Does the NSN 5305-01-386-9649 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-386-9649 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 5305-01-386-9649 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-386-9649 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 5305-01-386-9649 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Mon, Feb 21, 1994