5305-01-398-4039

Find complete technical information, availability, and procurement data for: 5305-01-398-4039
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-398-4039

Item Name Code

06672

Assigment Date

11/02/1994 (31 years ago)

A structural shape fabricated from a ferrous or nonferrous material and resembles the following cross-sectional forms: for the letter h, both flanges of the h section are equal or longer than the width measured along the axis of the web; for the letter i, a 16 2/3 percent slope on the inside face of the ferrous type flange, either one or both of the nonferrous type flanges are shorter than the length measured along the axis of the web; for the letters t and z, on nonferrous type, the web is usually at right angles to the flanges. Letter h section may have a maximum of 5 percent slope on the inside face of the flanges.

2a thread class, right-hand thread direction, 0.985 inches minimum and 1.000 inches maximum fastener length, 0.110 inches minimum and 0.125 inches maximum thread length, knurled no. 5 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: 2a
Thread Direction: right-hand
Thread Length: 0.110 inches minimum and 0.125 inches maximum
Fastener Length: 0.985 inches minimum and 1.000 inches maximum
Head Style: knurled no. 5
Head Diameter: 0.250 inches minimum and 0.265 inches maximum
Head Height: 0.240 inches minimum and 0.260 inches maximum
Point Length: 0.063 inches minimum and 0.093 inches maximum
Point Diameter: 0.068 inches minimum and 0.078 inches maximum
Point Style: cone
Internal Drive Style: slot
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Point Chamfer Angle: 90.0 degrees minimum and 95.0 degrees maximum
Material: steel overall
Material Document And Classification: astm a581 assn std all material responses or astm a582 assn std all material responses overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: mil-f-14072 mil spec single treatment response overall
Thread Series Designator: unc

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
377-SS-20	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-01-398-4039?

The FSCG of the NSN 5305-01-398-4039 is 5305

Does the NSN 5305-01-398-4039 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-398-4039 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 5305-01-398-4039 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-398-4039 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 5305-01-398-4039 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Nov 2, 1994