5305-01-598-1840

Find complete technical information, availability, and procurement data for: 5305-01-598-1840
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-598-1840

Item Name Code

29294

Assigment Date

07/07/2011 (15 years ago)

A viewing device used to visually inspect items such as cannon bores, internal combustion engine cylinder walls, propellant perforations of rocket motors, or similar items for defects of manufacture, corrosion, scars, erosion, and the like, without needing to disassemble the item(s). It may or may not have extension tubes to cover the various ranges of inspection. The item is usually a straight-tube telescope, but it could be flexible, using a mirror or prism on its end.

countersunk cylindrical convex head style, 0.438 inches nominal thread length, right-hand thread direction, 3a thread class, 1.250 inches nominal 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: 0.438 inches nominal
Fastener Length: 1.250 inches nominal
Head Style: countersunk cylindrical convex
Head Diameter: 0.575 inches minimum and 0.635 inches maximum
Head Height: 0.138 inches maximum
Grip Diameter: 0.3115 inches minimum and 0.3120 inches maximum
Head Major Diameter: 0.635 inches maximum
Internal Drive Style: tri-wing recess
Nominal Thread Diameter: 0.313 inches
Grip Length: 0.812 inches nominal
Thread Quantity Per Inch: 24
Countersink Angle: 101.0 degrees nominal
Material: titanium alloy uns r56400 overall
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
NAS4605U13	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-598-1840?

The FSCG of the NSN 5305-01-598-1840 is 5305

Does the NSN 5305-01-598-1840 have a Schedule B code assigned?

Yes, the Schedule B code is 8108908000

Does NSN 5305-01-598-1840 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 5305-01-598-1840 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-598-1840 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 5305-01-598-1840 was assigned to the Federal Catalog?

It was assigned 15 years ago, on Thu, Jul 7, 2011