5305-01-557-6770

Find complete technical information, availability, and procurement data for: 5305-01-557-6770
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-557-6770

Item Name Code

18257

Assigment Date

10/25/2007 (18 years ago)

4.0 millimeters nominal head height, 18.0 millimeters nominal fastener length, 18.0 millimeters nominal thread length, right-hand thread direction, hexagon 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 Direction: right-hand
Thread Length: 18.0 millimeters nominal
Fastener Length: 18.0 millimeters nominal
Head Style: hexagon
Head Height: 4.0 millimeters nominal
Width Between Flats: 10.0 millimeters nominal
End Item Identification: mrap - unique nsn - used on 2 mrap variants; medium mine protected vehicle - mmpv
Nominal Thread Diameter: 6.0 millimeters
Thread Pitch In Millimeters: 1.0
External Thread Tolerance Class: 6g
Material: steel property class 8.8 overall
Material Document And Classification: iso 898-1 assn std single material response overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: iso 4042, a2d assn std all treatment responses overall
Thread Series Designator: iso 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
ISO4017-M6X18-8.8-A2D	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-557-6770?

The FSCG of the NSN 5305-01-557-6770 is 5305

Does the NSN 5305-01-557-6770 have a Schedule B code assigned?

Yes, the Schedule B code is 8710000090

Does NSN 5305-01-557-6770 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 5305-01-557-6770 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-557-6770 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 5305-01-557-6770 was assigned to the Federal Catalog?

It was assigned 18 years ago, on Thu, Oct 25, 2007