5305-01-645-4783

Find complete technical information, availability, and procurement data for: 5305-01-645-4783
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-645-4783

Item Name Code

29294

Assigment Date

06/17/2015 (11 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.

3a thread class, 0.276 inches nominal thread length, right-hand thread direction, flat countersunk head style, 0.573 inches minimum and 0.603 inches maximum fastener 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: 3a
Thread Direction: right-hand
Thread Length: 0.276 inches nominal
Fastener Length: 0.573 inches minimum and 0.603 inches maximum
Head Style: flat countersunk
Head Diameter: 0.381 inches nominal
Spline Major Diameter: 0.155 inches nominal
Grip Diameter: 0.188 inches minimum and 0.189 inches maximum
Internal Drive Style: torx
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.302 inches minimum and 0.322 inches maximum
Thread Quantity Per Inch: 32
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Part Name Assigned By Controlling Agency: screw, shear, close tolerance
Material: titanium overall
Surface Treatment: aluminum overall
Thread Series Designator: unjf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-01-542-5703	No Name Available	07/01/2018

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
NAS5315V3A5	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-645-4783?

The FSCG of the NSN 5305-01-645-4783 is 5305

Does the NSN 5305-01-645-4783 have a Schedule B code assigned?

Yes, the Schedule B code is 8108908000

Does NSN 5305-01-645-4783 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 5305-01-645-4783 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-645-4783 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 5305-01-645-4783 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Wed, Jun 17, 2015