5305-01-485-7690

Find complete technical information, availability, and procurement data for: 5305-01-485-7690
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-485-7690

Item Name Code

18257

Assigment Date

06/06/2001 (25 years ago)

A ported device designed to be installed on a valve plate to eliminate the valve function during the flushing operation.

2.000 inches nominal fastener length, right-hand thread direction, 0.750 inches nominal thread length, hexagon head style, 2a thread class

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: 0.750 inches nominal
Fastener Length: 2.000 inches nominal
Head Style: hexagon
Head Height: 0.1500 inches minimum and 0.1630 inches maximum
Width Between Flats: 0.4280 inches minimum and 0.4375 inches maximum
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 3800 pounds per square inch
Material: steel overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: astm b33-78, type ii 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
MS51491-006	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-485-7690?

The FSCG of the NSN 5305-01-485-7690 is 5305

Does the NSN 5305-01-485-7690 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-485-7690 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 5305-01-485-7690 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-485-7690 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 5305-01-485-7690 was assigned to the Federal Catalog?

It was assigned 25 years ago, on Wed, Jun 6, 2001