B18.6.7M M3X.5X4

View detailed technical data, stock status, and sourcing information for: B18.6.7M M3X.5X4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-685-3597

Item Name Code

06657

Assigment Date

12/12/2019 (6 years ago)

A hand controlled device maneuvered by a gear designed to open and close the flow control device. May include open and close position indicator. Excludes:gear assembly, speed decreaser; gearbox accessory drive, turbine engine; and gearcase-motor.

25.0 millimeters nominal thread length, flat countersunk head style, right-hand thread direction, 5.2 millimeters minimum and 5.5 millimeters maximum head diameter, 29.5 millimeters minimum and 30.5 millimeters maximum fastener 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: 25.0 millimeters nominal
Fastener Length: 29.5 millimeters minimum and 30.5 millimeters maximum
Head Style: flat countersunk
Head Diameter: 5.2 millimeters minimum and 5.5 millimeters maximum
Internal Drive Style: cross recess type 1
End Item Identification: lcp mk423 mod
Nominal Thread Diameter: 3.0 millimeters
Thread Pitch In Millimeters: 0.5
Countersink Angle: 90.0 degrees minimum and 92.0 degrees maximum
Screw Material: steel
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
B18.6.7M M3X.5X4	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-685-3597?

The FSCG of the NSN 5305-01-685-3597 is 5305

Does the NSN 5305-01-685-3597 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-685-3597 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 5305-01-685-3597 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-685-3597 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 5305-01-685-3597 was assigned to the Federal Catalog?

It was assigned 6 years ago, on Thu, Dec 12, 2019