5305-00-239-7425

Find complete technical information, availability, and procurement data for: 5305-00-239-7425
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-239-7425

Item Name Code

16282

Assigment Date

11/07/1969 (56 years ago)

A comparatively flat rigid item, with or without a centrally located aperture, designed to hold an annular bearing or a sleeve bearing in a fitted inclosure. It must have drilled and/or tapped holes for mounting purposes. Excludes:end bell, electrical rotating equipment.

2.708 inches minimum and 2.728 inches maximum fastener length, 0.562 inches minimum thread length, flat countersunk head style, 3a thread class, right-hand thread direction

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: 0.562 inches minimum
Fastener Length: 2.708 inches minimum and 2.728 inches maximum
Head Style: flat countersunk
Head Diameter: 0.469 inches minimum and 0.477 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.157 inches minimum and 0.159 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 180000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Surface Finish: 63.0 microinches grip
Material: steel comp 431 overall
Material Document And Classification: mil-s-18732 mil spec single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: mil-std-171,no. 5.4.1 mil std single treatment response overall
Thread Series Designator: unf

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
60A52C78-2	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-239-7425?

The FSCG of the NSN 5305-00-239-7425 is 5305

Does the NSN 5305-00-239-7425 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-239-7425 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 5305-00-239-7425 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-239-7425 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 5305-00-239-7425 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, Nov 7, 1969