5305-01-178-7321

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Machine Screw

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Official Item Classification

Name: Machine Screw
(NSN) National Stock Number: 5305-01-178-7321
(FSG) Federal Supply Group: 53 Hardware and Abrasives
(FSC) Federal Supply Classification: 5305 Screws
(INC) Item Name Code: 06657
(FIIG) Federal Item Identification Guide: A500D0
Date: 05/09/1984 (42 years ago)

5.32 millimeters minimum and 5.50 millimeters maximum head diameter, 9.00 millimeters nominal thread length, flat chamfer head style, 9.71 millimeters minimum and 10.29 millimeters maximum fastener length, right-hand thread direction

Specs & Compatibility

Thread Direction

right-hand

Thread Length

9.00 millimeters nominal

Fastener Length

9.71 millimeters minimum and 10.29 millimeters maximum

Head Style

flat chamfer

Head Diameter

5.32 millimeters minimum and 5.50 millimeters maximum

Head Height

1.86 millimeters minimum and 2.00 millimeters maximum

Internal Drive Style

slot

Nominal Thread Diameter

3.0 millimeters

Thread Pitch In Millimeters

0.5

External Thread Tolerance Class

Screw Material

steel property class 5.8

Screw Surface Treatment

zinc

Thread Series Designator

Regulatory Compliance

Precious Metals Indicator

Item does not contain precious metal.

Criticality Code

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0006657

Related Hardware Products

Part Number	Description
10505919	Machine Screw
DIN84-M3X10-5.8-A2L	Machine Screw
ISO1207-M3X10-5.8-A2L	Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-178-7321?

The FSCG of the NSN 5305-01-178-7321 is 5305

Does the NSN 5305-01-178-7321 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-178-7321 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 5305-01-178-7321 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-178-7321 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 5305-01-178-7321 was assigned to the Federal Catalog?

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