5305-00-687-6541

Find complete technical information, availability, and procurement data for: 5305-00-687-6541
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-687-6541

Item Name Code

18257

Assigment Date

01/01/1963 (63 years ago)

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

1.000 inches maximum thread length, right-hand thread direction, 2a thread class, 1.000 inches nominal fastener length, hexagon head style

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: 1.000 inches maximum
Fastener Length: 1.000 inches nominal
Head Style: hexagon
Head Height: 0.272 inches minimum and 0.291 inches maximum
Width Between Flats: 0.612 inches minimum and 0.625 inches maximum
Nominal Thread Diameter: 0.438 inches
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 80000 pounds per square inch
Material: steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 overall
Material Document And Classification: 66 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
461-05384	Hexagon Head Cap Screw
MS35308-385	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-687-6541?

The FSCG of the NSN 5305-00-687-6541 is 5305

Does the NSN 5305-00-687-6541 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-687-6541 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 5305-00-687-6541 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-687-6541 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 5305-00-687-6541 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963