AN345B516

View detailed technical data, stock status, and sourcing information for: AN345B516
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-181-6822

Item Name Code

01857

Assigment Date

04/29/1970 (56 years ago)

A metallic or nonmetallic item, headed at one end, with a cylindrically shaped shank which may be tapered, grooved, or threaded. A locking collar or sleeve may be provided to perform the same holding action as the clinching portion of a conventional rivet. The shank may include an external wrenching facility which breaks off at a predetermined applied torque.

0.545 inches minimum and 0.562 inches maximum width across flats, 0.208 inches minimum and 0.225 inches maximum nut height, hexagon nut style, 2b thread class, right-hand thread direction

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: hexagon
Nut Height: 0.208 inches minimum and 0.225 inches maximum
Width Across Flats: 0.545 inches minimum and 0.562 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.312 inches
Bearing Surface Type: chamfered
Material: copper alloy 462 or copper alloy 464 or copper alloy 360 overall
Material Document And Classification: qq-b-637 fed spec 1st material response or qq-b-637 fed spec 2nd material response or qq-b-626 fed spec 3rd material response overall
Surface Treatment: oxide overall
Surface Treatment Document And Classification: mil-f-495 mil spec single treatment response overall
Nondefinitive Spec/Std Data: 2 type and 13 style

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
AN345B516	Hexagon Plain Nut
MS35650-3315	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-181-6822?

The FSCG of the NSN 5310-00-181-6822 is 5310

Does the NSN 5310-00-181-6822 have a Schedule B code assigned?

Yes, the Schedule B code is 7415290000

Does NSN 5310-00-181-6822 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 5310-00-181-6822 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-181-6822 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 5310-00-181-6822 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, Apr 29, 1970