AN550-12R28

View detailed technical data, stock status, and sourcing information for: AN550-12R28
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-180-1620

Item Name Code

01867

Assigment Date

01/01/1963 (63 years ago)

gimlet point (type a, ab or ba) nonmachine thread style, flat countersunk head style, 3.420 inches minimum and 3.500 inches maximum fastener length, cross recess type 1 internal drive style, 0.397 inches minimum and 0.438 inches maximum head diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Fastener Length: 3.420 inches minimum and 3.500 inches maximum
Head Style: flat countersunk
Head Diameter: 0.397 inches minimum and 0.438 inches maximum
Internal Drive Style: cross recess type 1
Nonmachine Thread Style: gimlet point (type a, ab or ba)
Countersink Angle: 80.0 degrees minimum and 82.0 degrees maximum
Nonmachine Nominal Thread Diameter: 0.216 inches
Material: steel overall
Surface Treatment: cadmium or zinc overall
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec 1st treatment response or qq-z-325,ty 1 fed spec 2nd treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-011-2687	No Name Available	09/01/1983

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
AN550-12R28	Wood Screw

FAQs

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

What is the FSCG of the NSN 5305-00-180-1620?

The FSCG of the NSN 5305-00-180-1620 is 5305

Does the NSN 5305-00-180-1620 have a Schedule B code assigned?

Yes, the Schedule B code is 7318120000

Does NSN 5305-00-180-1620 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 5305-00-180-1620 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-180-1620 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 5305-00-180-1620 was assigned to the Federal Catalog?

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