5305-01-435-6268

Find complete technical information, availability, and procurement data for: 5305-01-435-6268
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-435-6268

Item Name Code

18257

Assigment Date

08/29/1996 (29 years ago)

An item of solid one-piece construction, designed to restrict the flow of a fluid through it. It has an orifice of a smaller size than the diameter of flow into it. Excludes:items such as valve (1), (as modified); and others with an adjustable orifice. Excludes:pipe, tube, or hose fittings with restricted passages and items designed to test fluid flow. For items containing screens or filters, see restrictor unit, fluid flow.

right-hand thread direction, 49.5 millimeters minimum and 50.5 millimeters maximum fastener length, hexagon head style, 3.85 millimeters minimum and 4.15 millimeters maximum head height, 18.0 millimeters nominal thread length

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: 49.5 millimeters minimum and 50.5 millimeters maximum
Head Style: hexagon
Head Height: 3.85 millimeters minimum and 4.15 millimeters maximum
Width Between Flats: 9.78 millimeters minimum and 10.00 millimeters maximum
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 and chromate 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
12485434-082	Hexagon Head Cap Screw
AES07M06A050WC0AA1	Hexagon Head Cap Screw
B18231B06050N	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-435-6268?

The FSCG of the NSN 5305-01-435-6268 is 5305

Does the NSN 5305-01-435-6268 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-435-6268 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 5305-01-435-6268 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-435-6268 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 5305-01-435-6268 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Thu, Aug 29, 1996