6430443-76M1

View detailed technical data, stock status, and sourcing information for: 6430443-76M1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-178-7349

Item Name Code

18257

Assigment Date

05/09/1984 (42 years ago)

An item fabricated from nonmetallic channel. It may be (1) formed to a specific shape with or without joints, (2) a single piece whose ends have been secured together to form a specific shape, or (3) a straight item fabricated to a specific length for a specific application with end cuts or joints. Items except for molded corners, end cut(s), and mounting facilities, such as mounting hole(s), slot(s), press fit buttons, and the like, must be one continuous cross section. It may have fabric, cord, or metal reinforcement. It is specifically designed for use in applications where there is no relative motion between joined parts. Excludes:gasket; grommet, nonmetallic; and packing, preformed. For straight items with square end cuts and without mounting hole(s), slot(s), or press fit buttons, see nonmetallic channel.

18.0 millimeters minimum and 20.0 millimeters maximum thread length, 20.00 millimeters nominal fastener length, right-hand thread direction, 4.5 millimeters nominal head height, 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 minimum and 20.0 millimeters maximum
Fastener Length: 20.00 millimeters nominal
Head Style: hexagon
Head Height: 4.5 millimeters nominal
Width Between Flats: 10.0 millimeters nominal
End Item Identification: high-mobility artillery rocket system (himars)
Nominal Thread Diameter: 6.0 millimeters
Minimum Tensile Strength: 113784 pounds per square inch
Hardness Rating: 18.0 rockwell c minimum and 31.0 rockwell c maximum overall
Thread Pitch In Millimeters: 1.0
Material: steel property class 8.8 overall
Surface Treatment: zinc overall
Thread Series Designator: m

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-01-586-4237	No Name Available	12/01/2019

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
10503805	Hexagon Head Cap Screw
11503867	Hexagon Head Cap Screw
12414419-076	Hexagon Head Cap Screw
186-6034	Hexagon Head Cap Screw
19M7077	Hexagon Head Cap Screw
6430443-76M1	Hexagon Head Cap Screw
85104060200859	Hexagon Head Cap Screw
BS EN ISO 4017-M6X20-8.8-A2L	Hexagon Head Cap Screw
D10015	Hexagon Head Cap Screw
DIN933-M6X20-8.8-A2L	Hexagon Head Cap Screw
ISO4017-M6X20-8.8-A2L	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-178-7349?

The FSCG of the NSN 5305-01-178-7349 is 5305

Does the NSN 5305-01-178-7349 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-178-7349 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 5305-01-178-7349 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-178-7349 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 5305-01-178-7349 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Wed, May 9, 1984