720203-1

View detailed technical data, stock status, and sourcing information for: 720203-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-557-8564

Item Name Code

01852

Assigment Date

10/22/1969 (56 years ago)

knurled no. 1 head style, 2a thread class, 0.604 inches minimum and 0.614 inches maximum fastener length, right-hand thread direction, 0.155 inches minimum and 0.165 inches maximum thread 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: 2a
Thread Direction: right-hand
Thread Length: 0.155 inches minimum and 0.165 inches maximum
Fastener Length: 0.604 inches minimum and 0.614 inches maximum
Head Style: knurled no. 1
Head Diameter: 0.245 inches minimum and 0.255 inches maximum
Head Height: 0.099 inches minimum and 0.119 inches maximum
First Diameter From Head: 0.090 inches minimum and 0.093 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.439 inches minimum and 0.459 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Externally Relieved Body Diameter Quantity: 1
Material: steel comp 303 overall
Material Document And Classification: qq-s-764 fed spec single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: mil-s-5002 mil spec single treatment response overall
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
720203-1	Externally Relieved Body Screw
APR386	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-00-557-8564?

The FSCG of the NSN 5305-00-557-8564 is 5305

Does the NSN 5305-00-557-8564 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-557-8564 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 5305-00-557-8564 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-557-8564 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 5305-00-557-8564 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, Oct 22, 1969