ANSI B18.3.1M

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-384-5374

Item Name Code

16282

Assigment Date

12/17/1993 (31 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

8.27 millimeters minimum and 8.50 millimeters maximum head diameter, right-hand thread direction, 16.0 millimeters nominal fastener length, 16.0 millimeters maximum thread length, flat chamfer head style

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Thread Direction: right-hand
Thread Length: 16.0 millimeters maximum
Fastener Length: 16.0 millimeters nominal
Head Style: flat chamfer
Head Diameter: 8.27 millimeters minimum and 8.50 millimeters maximum
Head Height: 4.86 millimeters minimum and 5.00 millimeters maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 5.0 millimeters
Width Across Flats: 3.0 millimeters nominal
Thread Pitch In Millimeters: 0.8
External Thread Tolerance Class: 6g
Material: steel corrosion resisting overall
Material Document And Classification: astm f593 assn std all material responses overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: astm a380 assn std single treatment response overall
Thread Series Designator: m

Related Parts & Specifications

This NSN includes a range of related parts designed for specific operational needs. Review each item below to find in-depth specifications, functional details, and guidance for correct application and replacement.

Part Number	Name
ANSI B18.3.1M	Socket Head Cap Screw
ANSI B1831DH050016N	Socket Head Cap Screw
B1831DH050016N	Socket Head Cap Screw

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for ANSI B18.3.1M

What is the FSCG of the NSN 5305-01-384-5374?

The FSCG of the NSN 5305-01-384-5374 is 5305

Does the NSN 5305-01-384-5374 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-384-5374 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 5305-01-384-5374 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-384-5374 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 5305-01-384-5374 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Fri, Dec 17, 1993