5305-01-391-9689

Find complete technical information, availability, and procurement data for: 5305-01-391-9689
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-391-9689

Item Name Code

18257

Assigment Date

06/21/1994 (32 years ago)

A bracket of various shapes (other than angle), designed to be attached to a supporting surface for the specific purpose of positioning, aligning and/or supporting another item. Excludes:brace (as modified); bracket, angle; and bracket, double angle. See also bracket (1), electrical connector; bracket, fire extinguisher; bracket, solenoid; bracket, track, sliding door; and retainer (as modified).

2.500 inches nominal fastener length, right-hand thread direction, 2a thread class, hexagon head style, 2.500 inches nominal 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: 2.500 inches nominal
Fastener Length: 2.500 inches nominal
Head Style: hexagon
Head Height: 0.233 inches nominal
Width Between Flats: 0.640 inches nominal
Shank Unthreaded Hole Diameter: 0.121 inches minimum and 0.125 inches maximum first hole
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 70000 pounds per square inch
Hardness Rating: 235.0 brinell standard maximum overall
Minimum Yield Strength: 40000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center: 2.344 inches nominal first hole
Material: steel comp 410 or steel comp 416 or steel comp 430 overall
Material Document And Classification: fed std 66 fed std single material response 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
DAA7278D209-001	Hexagon Head Cap Screw
MS51110-66	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-391-9689?

The FSCG of the NSN 5305-01-391-9689 is 5305

Does the NSN 5305-01-391-9689 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-391-9689 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 5305-01-391-9689 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-391-9689 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 5305-01-391-9689 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Tue, Jun 21, 1994