8820556

View detailed technical data, stock status, and sourcing information for: 8820556
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-958-9544

Item Name Code

06657

Assigment Date

05/23/1966 (60 years ago)

right-hand thread direction, 2a thread class, 0.469 inches minimum and 0.500 inches maximum fastener length, 0.370 inches minimum and 0.420 inches maximum thread length, flat countersunk head style

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: 0.370 inches minimum and 0.420 inches maximum
Fastener Length: 0.469 inches minimum and 0.500 inches maximum
Head Style: flat countersunk
Head Diameter: 0.191 inches minimum and 0.225 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 55000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: copper alloy 230 or copper alloy 240 or copper alloy 260 or copper alloy 268 or copper alloy 342 or copper alloy 353 or copper alloy 360 or copper alloy 377 or copper alloy 764 or copper alloy 270 or copper alloy 274 or copper alloy 510 or copper alloy 745 or copper alloy 752 or copper alloy 770
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-613-8843	No Name Available	11/01/1982
5305-00-836-4498	No Name Available	07/07/1999
5305-00-836-9308	No Name Available	01/02/1969
5305-01-166-0731	No Name Available	08/09/1991

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
8820556	Machine Screw
MS24693-BB6	Machine Screw
MS24693BB6	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-958-9544?

The FSCG of the NSN 5305-00-958-9544 is 5305

Does the NSN 5305-00-958-9544 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-00-958-9544 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 5305-00-958-9544 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-958-9544 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 5305-00-958-9544 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Mon, May 23, 1966