5305-01-541-7408

Find complete technical information, availability, and procurement data for: 5305-01-541-7408
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-541-7408

Item Name Code

18257

Assigment Date

07/10/2006 (20 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.

0.875 inches nominal fastener length, hexagon head style, right-hand thread direction, 0.750 inches nominal thread length, 3a 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: 3a
Thread Direction: right-hand
Thread Length: 0.750 inches nominal
Fastener Length: 0.875 inches nominal
Head Style: hexagon
Head Height: 0.312 inches nominal
Width Between Flats: 0.750 inches nominal
End Item Identification: norfolk nsy, misc consumables (not for ship use)
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 13
Minimum Tensile Strength: 170000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 45.0 rockwell c maximum overall
Minimum Yield Strength: 150000 pounds per square inch
Part Name Assigned By Controlling Agency: navy special project
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416, type 1 or 2 fed spec 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
2178000 ITEM 116	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-541-7408?

The FSCG of the NSN 5305-01-541-7408 is 5305

Does the NSN 5305-01-541-7408 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-541-7408 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 5305-01-541-7408 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-541-7408 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 5305-01-541-7408 was assigned to the Federal Catalog?

It was assigned 20 years ago, on Mon, Jul 10, 2006