5306-00-274-1925

Find complete technical information, availability, and procurement data for: 5306-00-274-1925
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-274-1925

Item Name Code

01847

Assigment Date

01/01/1963 (63 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.

1.125 inches minimum thread length, 3a thread class, right-hand thread direction, 4.938 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: 3a
Thread Direction: right-hand
Thread Length: 1.125 inches minimum
Fastener Length: 4.938 inches nominal
Head Style: hexagon
Head Height: 0.562 inches nominal
Width Between Flats: 1.125 inches nominal
Shank Unthreaded Hole Diameter: 0.157 inches nominal first hole
Nominal Thread Diameter: 0.750 inches
Features Provided: unfinished head
Thread Quantity Per Inch: 16
Hardness Rating: 26.0 rockwell c minimum and 31.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center: 4.688 inches nominal first hole
Special Features: six 90.0 deg notches cut in corners of hex to indicate heat treated alloy
Material: steel overall
Material Document And Classification: mil-s-890 mil spec single material response overall
Thread Series Designator: unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-00-364-2331	No Name Available	01/01/1963

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
3211126	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-274-1925?

The FSCG of the NSN 5306-00-274-1925 is 5306

Does the NSN 5306-00-274-1925 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-274-1925 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 5306-00-274-1925 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-274-1925 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 5306-00-274-1925 was assigned to the Federal Catalog?

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