4418B

View detailed technical data, stock status, and sourcing information for: 4418B
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-157-8324

Item Name Code

06672

Assigment Date

05/17/1971 (55 years ago)

headless (setscrew) head style, right-hand thread direction, 0.187 inches minimum thread length, 0.557 inches minimum and 0.567 inches maximum fastener length, 2a thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.187 inches minimum
Fastener Length: 0.557 inches minimum and 0.567 inches maximum
Head Style: headless (setscrew)
Locking Feature: strip threads
Point Length: 0.370 inches minimum and 0.380 inches maximum
Point Style: flat
Internal Drive Style: slot
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 24
Hardness Rating: 58.0 rockwell c minimum overall
Point Chamfer Angle: 45.0 degrees minimum
Material: steel comp 1212 or steel comp 1213 overall
Thread Series Designator: unf

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
11641072	Setscrew
4418B	Setscrew
5305001578324	Setscrew
938318	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-00-157-8324?

The FSCG of the NSN 5305-00-157-8324 is 5305

Does the NSN 5305-00-157-8324 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-157-8324 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 5305-00-157-8324 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-157-8324 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 5305-00-157-8324 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, May 17, 1971