5305-01-390-1169

Find complete technical information, availability, and procurement data for: 5305-01-390-1169
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-390-1169

Item Name Code

18257

Assigment Date

05/12/1994 (32 years ago)

An item specifically designed to fit over the opening(s) of various items to provide mechanical protection and/or to prevent the entrance of foreign matter during painting, shipping, storage, or the like. It is not designed to retain fluids under pressure during equipment operation. Excludes:cover, electrical connector; hood, sealing, bottle; and stopper, bottle. For items designed to fit into or over the opening(s) of various items, see cap-plug, protective, dust and moisture seal.

right-hand thread direction, hexagon head style, 28.0 millimeters nominal thread length, 28.0 millimeters nominal fastener length, 12.12 millimeters minimum and 12.88 millimeters maximum head height

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: 28.0 millimeters nominal
Fastener Length: 28.0 millimeters nominal
Head Style: hexagon
Head Height: 12.12 millimeters minimum and 12.88 millimeters maximum
Width Between Flats: 29.16 millimeters minimum and 30.00 millimeters maximum
Nominal Thread Diameter: 20.0 millimeters
Thread Pitch In Millimeters: 2.5
External Thread Tolerance Class: 6h
Material: steel property class 10.9 overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: qq-z-325, ty 2 cl 3 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
B18231B20028N	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-390-1169?

The FSCG of the NSN 5305-01-390-1169 is 5305

Does NSN 5305-01-390-1169 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 5305-01-390-1169 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-390-1169 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 5305-01-390-1169 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Thu, May 12, 1994