1-140-059-01

View detailed technical data, stock status, and sourcing information for: 1-140-059-01
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-656-6890

Item Name Code

16282

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, flat chamfer head style, 0.625 inches minimum fastener length, 0.625 inches maximum thread length, 3a 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: 3a
Thread Direction: right-hand
Thread Length: 0.625 inches maximum
Fastener Length: 0.625 inches minimum
Head Style: flat chamfer
Head Diameter: 0.375 inches nominal
Hole Diameter: 0.047 inches nominal
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Hole Quantity: 6
Hole Type: drilled
Thread Quantity Per Inch: 28
Hardness Rating: 39.0 rockwell c minimum and 43.0 rockwell c maximum overall
Hole Configuration Style: round internal hexagon
Material: steel overall
Precious Material: silver
Surface Treatment: silver overall
Surface Treatment Document And Classification: ams 2410 assn std 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
1-140-059-01	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-656-6890?

The FSCG of the NSN 5305-00-656-6890 is 5305

Does the NSN 5305-00-656-6890 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-656-6890 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 5305-00-656-6890 contain precious materials?

Item contains silver.

Does NSN 5305-00-656-6890 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 5305-00-656-6890 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963