AC21A3

View detailed technical data, stock status, and sourcing information for: AC21A3

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AC21A3
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-889-2839
Item Name Code
15887
Assigment Date
01/01/1960 (66 years ago)

right-hand thread direction, round nut style, 0.500 inches nominal nut diameter, 2b thread class, 0.750 inches nominal nut thickness

Product Characteristics

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

Thread Class
2b
Thread Direction
right-hand
Nut Style
round
Nut Diameter
0.500 inches nominal
Nut Thickness
0.750 inches nominal
Thread Series
unf
Thread Quantity Per Inch
24
Nominal Thread Size
0.375 inches
Material
plastic overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
6625-00-858-0997 No Name Available 11/01/1968

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
170AS6013 Round Plain Nut
5040-0407 Round Plain Nut
5040-5166 Round Plain Nut
AC21A3 Round Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-889-2839?
The FSCG of the NSN 5310-00-889-2839 is 5310
Does the NSN 5310-00-889-2839 have a Schedule B code assigned?
Yes, the Schedule B code is 3926909987
Does NSN 5310-00-889-2839 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 5310-00-889-2839 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-889-2839 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 5310-00-889-2839 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960

Professional Distribution

Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.

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Pricing

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