5305-01-494-2031

Find complete technical information, availability, and procurement data for: 5305-01-494-2031
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-494-2031

Item Name Code

06657

Assigment Date

02/04/2002 (24 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

0.922 inches minimum and 0.969 inches maximum fastener length, 3a thread class, 0.890 inches nominal thread length, right-hand thread direction, 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: 3a
Thread Direction: right-hand
Thread Length: 0.890 inches nominal
Fastener Length: 0.922 inches minimum and 0.969 inches maximum
Head Style: hexagon
Head Height: 0.188 inches minimum and 0.203 inches maximum
Width Between Flats: 0.492 inches minimum and 0.502 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 160000 pounds per square inch
Part Name Assigned By Controlling Agency: navy special project
Screw Material: iron alloy 660
Screw Material Document And Classification: ams 5731 assn std single material response or ams 5732 assn std single material response or ams 5737 assn std single material response or ams 5853 assn std single material response
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response
Thread Series Designator: unjf

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
NAS1802-6-15	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-494-2031?

The FSCG of the NSN 5305-01-494-2031 is 5305

Does the NSN 5305-01-494-2031 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-494-2031 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 5305-01-494-2031 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-494-2031 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 5305-01-494-2031 was assigned to the Federal Catalog?

It was assigned 24 years ago, on Mon, Feb 4, 2002