5305-01-623-4049

Find complete technical information, availability, and procurement data for: 5305-01-623-4049
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-623-4049

Item Name Code

29294

Assigment Date

11/13/2013 (12 years ago)

A metallic item of various shapes designed to reduce vibration and to secure a component part of an engine, gas turbine, aircraft to the engine case or housing as modified. For mounting accessories to the outside of the engine, see plate, mounting.

right-hand thread direction, 0.430 inches nominal thread length, 1.188 inches nominal fastener length, round extended washer head style, 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: 0.430 inches nominal
Fastener Length: 1.188 inches nominal
Head Style: round extended washer
Head Diameter: 0.375 inches nominal
Head Height: 0.094 inches nominal
Extended Washer Diameter: 0.437 inches nominal
Extended Washer Thickness: 0.027 inches nominal
Grip Diameter: 0.189 inches nominal
Internal Drive Style: cruciform ribbed
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.625 inches nominal
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 3180 pounds per square inch
Part Name Assigned By Controlling Agency: screw,washer head,close tolerance
Material: steel corrosion resisting 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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-01-524-1542	Close Tolerance Screw	06/01/2025

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
120-225C3R17	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-623-4049?

The FSCG of the NSN 5305-01-623-4049 is 5305

Does the NSN 5305-01-623-4049 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-623-4049 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 5305-01-623-4049 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-623-4049 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 5305-01-623-4049 was assigned to the Federal Catalog?

It was assigned 12 years ago, on Wed, Nov 13, 2013