7R442

View detailed technical data, stock status, and sourcing information for: 7R442
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-169-0901

Item Name Code

06657

Assigment Date

01/08/1971 (55 years ago)

flat chamfer head style, 0.500 inches nominal fastener length, 2a thread class, 0.420 inches minimum thread length, right-hand thread direction

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: 0.420 inches minimum
Fastener Length: 0.500 inches nominal
Head Style: flat chamfer
Head Diameter: 0.375 inches nominal
Head Height: 0.220 inches nominal
Hole Diameter: 0.090 inches nominal
Internal Drive Style: slot
Nominal Thread Diameter: 0.250 inches
Hole Quantity: 1
Thread Quantity Per Inch: 20
Screw Material: steel
Screw Surface Treatment: phosphate
Head Hole Configuration Style: round
Thread Series Designator: unc

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
7R442	Machine Screw
7R9640741	Machine Screw
D5E11878-161	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-169-0901?

The FSCG of the NSN 5305-00-169-0901 is 5305

Does the NSN 5305-00-169-0901 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-169-0901 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 5305-00-169-0901 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-169-0901 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 5305-00-169-0901 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Jan 8, 1971