B18231B06070N

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-494-2375

Item Name Code

18257

Assigment Date

02/05/2002 (24 years ago)

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

18.0 millimeters nominal thread length, hexagon head style, 70.0 millimeters nominal fastener length, 4.00 millimeters nominal head height, 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 Direction: right-hand
Thread Length: 18.0 millimeters nominal
Fastener Length: 70.0 millimeters nominal
Head Style: hexagon
Head Height: 4.00 millimeters nominal
Width Between Flats: 9.85 millimeters nominal
End Item Identification: interim armored vehicle (iav),contractor logistics support (cls)
Nominal Thread Diameter: 6.0 millimeters
Thread Pitch In Millimeters: 1.0
External Thread Tolerance Class: 6g
Material: steel property class 10.9 overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: qq-z-325,ty2,cl3 fed spec single treatment response overall
Thread Series Designator: m

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
12485434-086	Hexagon Head Cap Screw
B18231B06070N	Hexagon Head Cap Screw
S231NA38MMNX7331NNCE1	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-494-2375?

The FSCG of the NSN 5305-01-494-2375 is 5305

Does the NSN 5305-01-494-2375 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-494-2375 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 5305-01-494-2375 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-494-2375 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 5305-01-494-2375 was assigned to the Federal Catalog?

It was assigned 24 years ago, on Tue, Feb 5, 2002