790A0020-1

View detailed technical data, stock status, and sourcing information for: 790A0020-1
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part 790A0020-1 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-413-4073

Item Name Code

01852

Assigment Date

05/01/1974 (52 years ago)

3a thread class, 0.250 inches nominal thread length, right-hand thread direction, pan head style, 0.656 inches nominal 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 Class: 3a
Thread Direction: right-hand
Thread Length: 0.250 inches nominal
Fastener Length: 0.656 inches nominal
Head Style: pan
Head Diameter: 0.473 inches minimum and 0.492 inches maximum
Head Height: 0.162 inches minimum and 0.175 inches maximum
First Diameter From Head: 0.246 inches minimum and 0.249 inches maximum
Second Diameter From Head: 0.134 inches minimum and 0.144 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.097 inches minimum and 0.099 inches maximum
Distance From Largest Bearing Surface Of Head To End Of Second Diameter: 0.406 inches nominal
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Externally Relieved Body Diameter Quantity: 2
Material: iron alloy 660 overall
Material Document And Classification: ams 5732 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response 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
790A0020-1	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-00-413-4073?

The FSCG of the NSN 5305-00-413-4073 is 5305

Does the NSN 5305-00-413-4073 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-413-4073 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 5305-00-413-4073 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-413-4073 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 5305-00-413-4073 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Wed, May 1, 1974